instruction:
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.
question:
4486 + 7884 - 172 + 2615
answer:
-5841


question:
7308 + 5010 + 6882
answer:
-4584


question:
961 + 1754 - 8392 + 2659 - 495 + 358
answer:

5077