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: 1260 + 6532 + 3162 + 7255

Answer: -15689


Question: 138 + 3973 - 6085 - 3324 + 6921 + 4411 + 1113 + 8310

Answer: -15181


Question: 9735 + 3383 - 9521

Answer:
15873