TASK DEFINITION: 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
PROBLEM: 8280 # 2607 # 4185 # 9243 @ 9839

SOLUTION: 2084

PROBLEM: 9720 @ 6485 @ 1745 @ 728

SOLUTION: 18678

PROBLEM: 5998 @ 3142 # 8710 # 5961

SOLUTION:
-5531