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: 2214 @ 2042 # 8931

SOLUTION: -4675

PROBLEM: 6979 # 7807 @ 3778 # 1362 @ 8374 # 3189 @ 5988

SOLUTION: 12761

PROBLEM: 3173 @ 8518 @ 7916 # 1381 @ 2732 @ 3282 # 2225 @ 6753 # 7398

SOLUTION:
21370