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: 7165 @ 3630 @ 9021 # 4140 @ 319

SOLUTION: 15995

PROBLEM: 5249 @ 1204 # 3908 # 5196 @ 1711 @ 8089 # 8419 # 2865 @ 1478

SOLUTION: -2657

PROBLEM: 932 @ 2565 @ 5386

SOLUTION:
8883