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: 6960 # 4418 @ 5450 @ 8475

SOLUTION: 16467

PROBLEM: 9724 @ 7826 @ 3248 @ 3915 @ 249 @ 2455 @ 9673 # 9980

SOLUTION: 27110

PROBLEM: 1707 # 8023 @ 7490 # 3597

SOLUTION:
-2423