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]: 8915 @ 8709 # 6716 @ 4326
[EX A]: 15234

[EX Q]: 1131 @ 2823 # 1847 @ 6137 @ 7300 @ 27
[EX A]: 15571

[EX Q]: 3921 # 7756 # 4482 @ 4134
[EX A]:
-4183

