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: 5837 # 1015 # 4725

A: 97
****
Q: 4984 # 6412 @ 6023 @ 9519 # 9932 @ 2108 # 7504 @ 2221 # 4200

A:
-3193
****