diff --git a/src/main/java/com/example/Actor.java b/src/main/java/com/example/Actor.java
index 9ad12a2..7bc9c78 100644
--- a/src/main/java/com/example/Actor.java
+++ b/src/main/java/com/example/Actor.java
@@ -8,14 +8,17 @@ import akka.actor.typed.javadsl.Behaviors;
 import akka.actor.typed.javadsl.Receive;
 
 import java.util.Objects;
+import java.util.logging.Logger;
 
 public class Actor extends AbstractBehavior<Actor.Message> {
     //TODO: Wartezeit bei der Operation
-    //Zurückgegebener String von der linken Seite
-    String leftSide;
+    //Zurückgegebener String & Integer von der linken Seite
+    String leftString;
+    int leftInt;
 
-    //Zurückgegebener String von der rechten Seite
-    String rightSide;
+    //Zurückgegebener String & Integer von der rechten Seite
+    String rightString;
+    int rightInt;
 
     //Zeichen für die Operation (Add, Sub, Mul) welche benutzt wird
     String operationString;
@@ -24,13 +27,13 @@ public class Actor extends AbstractBehavior<Actor.Message> {
     Expression expression;
     public interface Message{}
 
-    public record StartMessage(Expression expression) implements Message{}
+    public record PrintAndEvaluate(Expression expression) implements Message{}
 
     //Antwort von dem linken Kind
-    public record LeftResponse(String string) implements Message{}
+    public record LeftResponse(String string, int wert) implements Message{}
 
     //Antwort von dem rechten Kind
-    public record RightResponse(String string) implements Message{}
+    public record RightResponse(String string, int wert) implements Message{}
 
     private Actor(ActorContext<Message> context, String name){
         super(context);
@@ -44,13 +47,13 @@ public class Actor extends AbstractBehavior<Actor.Message> {
     @Override
     public Receive<Actor.Message> createReceive(){
         return newReceiveBuilder()
-                .onMessage(StartMessage.class, this::onStartMessage)
+                .onMessage(PrintAndEvaluate.class, this::onPrintAndEvaluate)
                 .onMessage(LeftResponse.class, this::onLeftResponse)
                 .onMessage(RightResponse.class, this::onRightResponse)
                 .build();
     }
 
-    private Behavior<Message> onStartMessage(StartMessage message){
+    private Behavior<Message> onPrintAndEvaluate(PrintAndEvaluate message){
         this.expression = message.expression;
         //Wenn initial nur Val übergeben wird → einfach ausgeben ansonsten UnterActors erstellen
         if (Objects.requireNonNull(expression) instanceof Expression.Add add) {
@@ -74,23 +77,38 @@ public class Actor extends AbstractBehavior<Actor.Message> {
             ActorRef<SubActor.Message> RightSubActor = getContext().spawnAnonymous(SubActor.create());
             RightSubActor.tell(new SubActor.PrintAndEvaluate(getContext().getSelf(),mul.right(), false));
         } else if (expression instanceof Expression.Val val) {
-            System.out.println(val.inner());
+            logger.info(val.inner() + "");
         }
         return this;
     }
 
+    Logger logger = Logger.getLogger(Actor.class.getName());
     private Behavior<Message> onLeftResponse(LeftResponse response){
-        this.leftSide = response.string;
-        if(this.rightSide != null){
-            System.out.println("(" + leftSide + operationString + rightSide + ")");
+        this.leftString = response.string;
+        this.leftInt = response.wert;
+        if(this.rightString != null){
+            if(operationString.equals("+")){
+                logger.info("(" + leftString + operationString + rightString + ")    Wert: " + (leftInt + rightInt));
+            } else if (operationString.equals("-")) {
+                logger.info("(" + leftString + operationString + rightString + ")    Wert: " + (leftInt - rightInt));
+            }else{
+                logger.info("(" + leftString + operationString + rightString + ")    Wert: " + (leftInt * rightInt));
+            }
         }
         return this;
     }
 
     private Behavior<Message> onRightResponse(RightResponse response){
-        this.rightSide = response.string;
-        if(this.leftSide != null){
-            System.out.println("(" + leftSide + operationString + rightSide + ")");
+        this.rightString = response.string;
+        this.rightInt = response.wert;
+        if(this.leftString != null){
+            if(operationString.equals("+")){
+                logger.info("(" + leftString + operationString + rightString + ")    Wert: " + (leftInt + rightInt));
+            } else if (operationString.equals("-")) {
+                logger.info("(" + leftString + operationString + rightString + ")    Wert: " + (leftInt - rightInt));
+            }else{
+                logger.info("(" + leftString + operationString + rightString + ")    Wert: " + (leftInt * rightInt));
+            }
         }
         return this;
     }
diff --git a/src/main/java/com/example/AkkaMainSystem.java b/src/main/java/com/example/AkkaMainSystem.java
index a575eec..e9dd534 100644
--- a/src/main/java/com/example/AkkaMainSystem.java
+++ b/src/main/java/com/example/AkkaMainSystem.java
@@ -29,9 +29,10 @@ public class AkkaMainSystem extends AbstractBehavior<AkkaMainSystem.Create> {
         //#create-actors
         Expression expression = Expression.generateExpression(6, 9);
         Expression testExp = Expression.generateExpression(4,9);
-        ActorRef<Actor.Message> test = this.getContext().spawn(Actor.create("Seng"), "Sengmann");
-        test.tell(new Actor.StartMessage(testExp));
-        System.out.println("SOLL:  "+testExp.toString()+ "   Wert:" +testExp.eval());
+        ActorRef<Actor.Message> computer = this.getContext().spawn(Actor.create("Rechner"), "Rechner");
+        computer.tell(new Actor.PrintAndEvaluate(testExp));
+        //Vergleich mit dem Output der Berechnung
+        System.out.println("SOLL:  "+testExp.toString()+ "   Wert:" +testExp.eval() + "   Runtime: " + testExp.runtime());
         return this;
     }
 }
diff --git a/src/main/java/com/example/SubActor.java b/src/main/java/com/example/SubActor.java
index 3103216..e6169d7 100644
--- a/src/main/java/com/example/SubActor.java
+++ b/src/main/java/com/example/SubActor.java
@@ -25,11 +25,13 @@ public class SubActor extends AbstractBehavior<SubActor.Message> {
     //Linke Seite: true, Rechte Seite: false um zu wissen welche Seite des Ausdrucks berechnet wird.
     boolean side;
 
-    //Zurückgegebener String von der linken Seite
-    String leftSide;
+    //Zurückgegebener String & Integer von der linken Seite
+    String leftString;
+    int leftInt;
 
-    //Zurückgegebener String von der rechten Seite
-    String rightSide;
+    //Zurückgegebener String & Integer von der rechten Seite
+    String rightString;
+    int rightInt;
 
     public interface Message {}
 
@@ -39,11 +41,11 @@ public class SubActor extends AbstractBehavior<SubActor.Message> {
     //Message kommt von einem anderen SubActor
     public record SubPrintAndEvaluate(ActorRef<SubActor.Message> sender,Expression expression, Boolean side) implements Message{ }
 
-    //Antwort von dem linken Kind (TODO: Später Integer hinzufügen wenn mit den Strings alles funktioniert)
-    public record LeftResponse(String string) implements Message{ }
+    //Antwort von dem linken Kind
+    public record LeftResponse(String string, int wert) implements Message{ }
 
-    //Antwort von dem rechten Kind (TODO: Später Integer hinzufügen wenn mit den Strings alles funktioniert)
-    public record RightResponse(String string) implements Message{ }
+    //Antwort von dem rechten Kind
+    public record RightResponse(String string, int wert) implements Message{ }
 
     private SubActor(ActorContext<SubActor.Message> context){
         super(context);
@@ -90,9 +92,9 @@ public class SubActor extends AbstractBehavior<SubActor.Message> {
             subActorRight.tell(new SubPrintAndEvaluate(getContext().getSelf(),mul.right(), false));
         } else if (expression instanceof Expression.Val val) {
             if(side == true){
-                initial.tell(new Actor.LeftResponse(String.valueOf(val.inner())));
+                initial.tell(new Actor.LeftResponse(String.valueOf(val.inner()), val.inner()));
             }else{
-                initial.tell(new Actor.RightResponse(String.valueOf(val.inner())));
+                initial.tell(new Actor.RightResponse(String.valueOf(val.inner()), val.inner()));
             }
         }
         return this;
@@ -127,29 +129,67 @@ public class SubActor extends AbstractBehavior<SubActor.Message> {
                 subActorRight.tell(new SubPrintAndEvaluate(getContext().getSelf(),mul.right(), false));
             } else if (expression instanceof Expression.Val val) {
                 if(side == true){
-                    oberActor.tell(new SubActor.LeftResponse(String.valueOf(val.inner())));
+                    oberActor.tell(new SubActor.LeftResponse(String.valueOf(val.inner()), val.inner()));
                 }else{
-                    oberActor.tell(new SubActor.RightResponse(String.valueOf(val.inner())));
+                    oberActor.tell(new SubActor.RightResponse(String.valueOf(val.inner()), val.inner()));
                 }
             }
             return this;
     }
 
     public Behavior<Message> onLeftResponse(LeftResponse response){
-        this.leftSide = response.string;
-        if(this.rightSide != null){
+        this.leftString = response.string;
+        this.leftInt = response.wert;
+        if(this.rightString != null){
             if(oberActor != null){
                 //side == true bedeutet, dass dieser Actor das linke Kind ist und es wird LeftResponse geschickt
                 if(side == true){
-                    oberActor.tell(new SubActor.LeftResponse("(" + leftSide + operationString + rightSide + ")"));
+                    if(operationString.equals("+")){
+                        oberActor.tell(new LeftResponse("(" + leftString + operationString + rightString + ")",
+                                leftInt + rightInt));
+                    } else if (operationString.equals("-")) {
+                        oberActor.tell(new LeftResponse("(" + leftString + operationString + rightString + ")",
+                                leftInt - rightInt));
+                    }else{
+                        oberActor.tell(new LeftResponse("(" + leftString + operationString + rightString + ")",
+                                leftInt * rightInt));
+                    }
+
                 }else {
-                    oberActor.tell(new SubActor.RightResponse("(" + leftSide + operationString + rightSide + ")"));
+                    if(operationString.equals("+")){
+                        oberActor.tell(new RightResponse("(" + leftString + operationString + rightString + ")",
+                                leftInt + rightInt));
+                    } else if (operationString.equals("-")) {
+                        oberActor.tell(new RightResponse("(" + leftString + operationString + rightString + ")",
+                                leftInt - rightInt));
+                    }else{
+                        oberActor.tell(new RightResponse("(" + leftString + operationString + rightString + ")",
+                                leftInt * rightInt));
+                    }
                 }
             }else{
                 if(side == true){
-                    initial.tell(new Actor.LeftResponse("(" + leftSide + operationString + rightSide + ")"));
+                    if(operationString.equals("+")){
+                        initial.tell(new Actor.LeftResponse("(" + leftString + operationString + rightString + ")",
+                                leftInt + rightInt));
+                    } else if (operationString.equals("-")) {
+                        initial.tell(new Actor.LeftResponse("(" + leftString + operationString + rightString + ")",
+                                leftInt - rightInt));
+                    }else{
+                        initial.tell(new Actor.LeftResponse("(" + leftString + operationString + rightString + ")",
+                                leftInt * rightInt));
+                    }
                 }else {
-                    initial.tell(new Actor.RightResponse("(" + leftSide + operationString + rightSide + ")"));
+                    if(operationString.equals("+")){
+                        initial.tell(new Actor.RightResponse("(" + leftString + operationString + rightString + ")",
+                                leftInt + rightInt));
+                    } else if (operationString.equals("-")) {
+                        initial.tell(new Actor.RightResponse("(" + leftString + operationString + rightString + ")",
+                                leftInt - rightInt));
+                    }else{
+                        initial.tell(new Actor.RightResponse("(" + leftString + operationString + rightString + ")",
+                                leftInt * rightInt));
+                    }
                 }
             }
         }
@@ -157,20 +197,57 @@ public class SubActor extends AbstractBehavior<SubActor.Message> {
     }
 
     public Behavior<Message> onRightResponse(RightResponse response){
-        this.rightSide = response.string;
-        if(this.leftSide != null){
+        this.rightString = response.string;
+        this.rightInt = response.wert;
+        if(this.leftString != null){
             if(oberActor != null){
                 //side == true bedeutet, dass dieser Actor das linke Kind ist und es wird LeftResponse geschickt
                 if(side == true){
-                    oberActor.tell(new SubActor.LeftResponse("(" + leftSide + operationString + rightSide + ")"));
+                    if(operationString.equals("+")){
+                        oberActor.tell(new LeftResponse("(" + leftString + operationString + rightString + ")",
+                                leftInt + rightInt));
+                    } else if (operationString.equals("-")) {
+                        oberActor.tell(new LeftResponse("(" + leftString + operationString + rightString + ")",
+                                leftInt - rightInt));
+                    }else{
+                        oberActor.tell(new LeftResponse("(" + leftString + operationString + rightString + ")",
+                                leftInt * rightInt));
+                    }
                 }else {
-                    oberActor.tell(new SubActor.RightResponse("(" + leftSide + operationString + rightSide + ")"));
+                    if(operationString.equals("+")){
+                        oberActor.tell(new RightResponse("(" + leftString + operationString + rightString + ")",
+                                leftInt + rightInt));
+                    } else if (operationString.equals("-")) {
+                        oberActor.tell(new RightResponse("(" + leftString + operationString + rightString + ")",
+                                leftInt - rightInt));
+                    }else{
+                        oberActor.tell(new RightResponse("(" + leftString + operationString + rightString + ")",
+                                leftInt * rightInt));
+                    }
                 }
             }else {
                 if(side == true){
-                    initial.tell(new Actor.LeftResponse("(" + leftSide + operationString + rightSide + ")"));
+                    if(operationString.equals("+")){
+                        initial.tell(new Actor.LeftResponse("(" + leftString + operationString + rightString + ")",
+                                leftInt + rightInt));
+                    } else if (operationString.equals("-")) {
+                        initial.tell(new Actor.LeftResponse("(" + leftString + operationString + rightString + ")",
+                                leftInt - rightInt));
+                    }else{
+                        initial.tell(new Actor.LeftResponse("(" + leftString + operationString + rightString + ")",
+                                leftInt * rightInt));
+                    }
                 }else {
-                    initial.tell(new Actor.RightResponse("(" + leftSide + operationString + rightSide + ")"));
+                    if(operationString.equals("+")){
+                        initial.tell(new Actor.RightResponse("(" + leftString + operationString + rightString + ")",
+                                leftInt + rightInt));
+                    } else if (operationString.equals("-")) {
+                        initial.tell(new Actor.RightResponse("(" + leftString + operationString + rightString + ")",
+                                leftInt - rightInt));
+                    }else{
+                        initial.tell(new Actor.RightResponse("(" + leftString + operationString + rightString + ")",
+                                leftInt * rightInt));
+                    }
                 }
             }
         }