instruction:
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
question:
9807 @ 9345 # 5133 # 8042 @ 1499 # 8153 # 638
answer:
-1315


question:
5460 # 8572 @ 5548
answer:
2436


question:
7902 # 6524 @ 9502
answer:

10880