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: 2763 @ 869 # 8299

SOLUTION: -4667

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

SOLUTION: -2599

PROBLEM: 806 @ 7836 @ 5049 @ 6509 # 9788 @ 5836

SOLUTION:
16248