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: 2678 # 5467 @ 8355 # 3124 # 5654

SOLUTION: -3212

PROBLEM: 120 # 2644 @ 4589

SOLUTION: 2065

PROBLEM: 7134 @ 9520 @ 2386 # 9261 # 3641 # 9590

SOLUTION:
-3452