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: 6340 # 5642 @ 8051 # 3877 # 2824 # 3105 # 9957 @ 9874 # 6399

SOLUTION: -7539

PROBLEM: 7769 @ 9568 @ 388 # 5101 # 8590 # 9063 # 5298 @ 7728

SOLUTION: -2599

PROBLEM: 8047 @ 2099 # 3824 # 1943 # 2338 # 4721 # 9060 @ 8275 @ 6543

SOLUTION:
3078