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: 463 @ 7844 # 9816

SOLUTION: -1509

PROBLEM: 2724 @ 8119 @ 1049 @ 9004

SOLUTION: 20896

PROBLEM: 6265 @ 6346 @ 5512 # 1965 @ 5300

SOLUTION:
21458

