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: 9380 # 5155 # 480 # 6791 # 9548 @ 2674 # 821 @ 657

SOLUTION: -10084

PROBLEM: 4970 @ 8711 @ 6188

SOLUTION: 19869

PROBLEM: 3700 # 1039 # 2296 # 7758 @ 2215 @ 2965 @ 504 # 9645 @ 8483

SOLUTION:
-2871