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: 1860 - 6675 + 8615 + 485 + 6302 - 3385 + 1568

SOLUTION: -5050

PROBLEM: 2177 - 4714 + 9417 - 376 - 2611 + 7130 - 2152

SOLUTION: -4517

PROBLEM: 6480 - 9168 + 3835 - 9970 + 4772 + 2901 - 4256 + 2882 - 4979

SOLUTION:
20463