In this task you will be given an arithmetic operation and you have to find its answer. The operators '+' and '-' have been replaced with new symbols. Specifically, '+' has been replaced with the symbol '@' and '-' with the symbol '#'. You need to perform the operations in the given equation return the answer

[EX Q]: 7272 @ 8958 # 7231 @ 6616
[EX A]: 15615

[EX Q]: 2285 @ 1970 @ 4720
[EX A]: 8975

[EX Q]: 9600 # 6935 @ 8924 # 28 # 9714 # 3705
[EX A]:
-1858