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: 7894 @ 7649 # 4792

SOLUTION: 10751

PROBLEM: 722 # 9533 @ 3199 @ 4825 @ 817

SOLUTION: 30

PROBLEM: 7477 @ 7660 @ 7072 # 2816 # 2728

SOLUTION:
16665