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: 9720 @ 6485 @ 1745 @ 728

SOLUTION: 18678

PROBLEM: 2214 @ 2042 # 8931

SOLUTION: -4675

PROBLEM: 5100 # 2363 # 718 @ 3367 # 550

SOLUTION:
4836

