diff --git a/calculator.cpp b/calculator.cpp
index f323e14..d10f529 100644
--- a/calculator.cpp
+++ b/calculator.cpp
@@ -2,7 +2,7 @@
 
 int Calculator::Add (double a, double b)
 {
-	return a + b;
+	return a + b + 0.5;
 }
 
 int Calculator::Sub (double a, double b)