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: 6915 @ 3564 # 9197 # 9440 # 1112 @ 382 @ 9681 # 6512 # 9658

SOLUTION: -15377

PROBLEM: 2065 @ 2103 @ 1800

SOLUTION: 5968

PROBLEM: 8068 # 7373 @ 658 @ 4295 # 7864 # 7999 @ 9016 @ 6612 @ 8397

SOLUTION:
13810