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:
8974 + 8978 - 8097
answer:
8093


question:
2078 + 3891 + 2060
answer:
-3873


question:
7260 + 661 - 4555 + 5349 - 9878 - 5104
answer:

20787