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.
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Question: 4486 + 7884 - 172 + 2615

Answer: -5841


Question: 1078 + 2128 + 513 + 5898 - 8020

Answer: 559


Question: 7321 - 3581 - 8289 - 4484 - 7505 + 9930

Answer:
21250