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: 9781 # 2797 # 2134

SOLUTION: 4850

PROBLEM: 681 # 9392 @ 1414

SOLUTION:
-7297