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: 7894 @ 7649 # 4792

SOLUTION: 10751

PROBLEM: 1131 @ 2823 # 1847 @ 6137 @ 7300 @ 27

SOLUTION: 15571

PROBLEM: 464 # 1469 # 7146

SOLUTION:
-8151