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: 2367 @ 4877 @ 8467 @ 5488 # 987 # 8899

SOLUTION: 11313

PROBLEM: 3147 @ 2272 # 9050

SOLUTION: -3631

PROBLEM: 3066 @ 1762 @ 6568 @ 1528

SOLUTION:
12924