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:
2377 @ 4500 # 8359 @ 9946 # 9011
answer:
-547


question:
6267 @ 3545 @ 4904 @ 4580
answer:
19296


question:
6940 @ 2730 # 2918 # 5236 @ 3128 @ 1064 # 7797 @ 5474 @ 6921
answer:

10306