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: 8227 # 7725 @ 669 @ 489 @ 6499 @ 2486

SOLUTION: 10645

PROBLEM: 1278 @ 4628 @ 2357 @ 3694 @ 5775 @ 8542 # 793

SOLUTION: 25481

PROBLEM: 4466 # 6971 @ 7683 @ 2862

SOLUTION:
8040