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: 123 # 6452 # 5554 # 9261 @ 6646

SOLUTION: -14498

PROBLEM: 1709 # 2270 # 1077 # 9681

SOLUTION: -11319

PROBLEM: 3177 @ 7147 @ 2820 # 8858

SOLUTION:
4286

