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: 6120 - 9271 - 7167 + 6916 - 2510 + 7854 - 7909 - 1960 - 3775

SOLUTION: 23942

PROBLEM: 7344 + 9206 + 3989 + 5648 - 7620

SOLUTION: -3879

PROBLEM: 7909 - 3049 + 370 + 1905 - 8398 - 4019

SOLUTION:
21100