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: 2821 @ 5327 # 3350 # 3607 @ 7010 @ 6824 # 9975 # 38

A: 5012
****
Q: 2781 # 1776 @ 3223 @ 7441 # 238

A: 11431
****
Q: 3422 # 7980 # 734 # 8108

A:
-13400
****