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: 2186 # 2436 # 4269 # 2175 @ 4101 # 2723 @ 6192 # 7530

SOLUTION: -6654

PROBLEM: 9318 @ 858 @ 9508 @ 5403 # 5141 @ 6503 @ 9412

SOLUTION: 35861

PROBLEM: 7488 @ 7742 # 7052 # 9938 # 5059 # 9135 @ 7745 # 7672

SOLUTION:
-15881