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: 7127 # 5045 # 1920 # 8991 @ 8656 # 6430 @ 8803 # 7736 @ 887

SOLUTION: -4649

PROBLEM: 9924 @ 6266 # 7022 # 7976 # 2541 @ 5396

SOLUTION: 4047

PROBLEM: 3376 @ 3407 # 6396 @ 5045 @ 6105

SOLUTION:
11537