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: 8280 # 2607 # 4185 # 9243 @ 9839

SOLUTION: 2084

PROBLEM: 3407 @ 917 # 567 @ 5987 # 5936

SOLUTION: 3808

PROBLEM: 7161 @ 6142 @ 3645

SOLUTION:
16948