TASK DEFINITION: In this task you will be given an arithmetic operation and you have to find its answer. The symbols of operators '+' and '-' has been swapped i.e you need to perform subtraction when you see a '+' symbol and  addition in case of '-' symbol.
PROBLEM: 3238 + 2914 + 4122

SOLUTION: -3798

PROBLEM: 938 + 566 + 5270 + 5634 - 7451 - 114

SOLUTION: -2967

PROBLEM: 7615 + 4328 + 3785

SOLUTION:
-498