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

[Q]: 7640 @ 3347 @ 904
[A]: 11891


[Q]: 9248 # 9080 @ 3314 # 1458
[A]: 2024


[Q]: 7415 # 7950 @ 1819 # 4470
[A]:
-3186


