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.

[EX Q]: 1837 - 6362 - 226
[EX A]: 8425

[EX Q]: 2078 + 3891 + 2060
[EX A]: -3873

[EX Q]: 7077 - 8127 + 7148 + 1502 + 6423
[EX A]:
131