Test cases showing wrong answer

#1

for basic calculator


the output is showing the wrong answer in test cases 1,2,3& 6.and I am not able to understand please help!

#2

Hi @devang_agrawal, pls check your “invalid operation” message, is it exactly same as mentioned in question. Also check for data types, which ones have u chose with respect to given constraints.
Hope this helps :slight_smile:

#3

Thanks @proRram it worked