diff --git a/libs/compiler/test_files/math.slang b/libs/compiler/test_files/math.slang
index 2fa5adc..1d9adb2 100644
--- a/libs/compiler/test_files/math.slang
+++ b/libs/compiler/test_files/math.slang
@@ -1,7 +1,7 @@
 fn addTemperatures(temp1, temp2) {
-  let toReturn = temp1 + temp2;
+  return temp1 + temp2;
 };
 
 
-addTemperatures(15c, 120c);
-addTemperatures(1500f, 20c);
+let newTemp1 = addTemperatures(15c, 120c);
+let newTemp2 = addTemperatures(50c, 20c);