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: 4700 + 6640 + 3352 - 3114 - 7674 - 8204 + 8654 + 8091 - 2969

Answer: -76


Question: 2909 + 1799 - 984 + 4910 + 3253 - 6846 - 8324 - 9048

Answer: 18149


Question: 2511 + 1177 + 2559 + 6074

Answer:
-7299