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:
9930 # 7864 @ 6797 # 6092 @ 1146 @ 1388 # 8545 # 9163
answer:
-12403


question:
3615 @ 7429 @ 6810 # 207 @ 1232 # 5621 @ 6745
answer:
20003


question:
8132 @ 9019 @ 955 # 1540 @ 6294
answer:

22860