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: 634 # 6766 # 1458 # 4376 @ 9425

SOLUTION: -2541

PROBLEM: 2448 @ 5284 # 6313 @ 7761 @ 4601 @ 6800

SOLUTION: 20581

PROBLEM: 9056 @ 9894 # 9773 # 4508 # 5642

SOLUTION:
-973