Update Calculator.java

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) {