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: 6472 # 6421 @ 7649 @ 4005

SOLUTION: 11705

PROBLEM: 2132 @ 8398 # 9269

SOLUTION: 1261

PROBLEM: 9537 @ 4531 # 5056 @ 6898 @ 1039 @ 2184

SOLUTION:
19133