diff --git a/src/de/hftstuttgart/ip2/Calculator.java b/src/de/hftstuttgart/ip2/Calculator.java
index 2e24c2e880102379655bb1920b128fb369929955..c07cd173de6ee44df0c4ed5799a3d4272ee14f9a 100644
--- a/src/de/hftstuttgart/ip2/Calculator.java
+++ b/src/de/hftstuttgart/ip2/Calculator.java
@@ -3,7 +3,7 @@ package de.hftstuttgart.ip2;
 public class Calculator
 {
     public double add(double a, double b) {
-        return a - b;
+        return a + b + 200;
     }
 
     public double sub(double a, double b) {