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: 5137 @ 4207 @ 1156

SOLUTION: 10500

PROBLEM: 6860 @ 2810 # 1038

SOLUTION: 8632

PROBLEM: 3691 @ 9340 # 5216 # 7900 @ 8361

SOLUTION:
8276