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: 123 # 6452 # 5554 # 9261 @ 6646

SOLUTION: -14498

PROBLEM: 8157 # 6333 @ 7928

SOLUTION: 9752

PROBLEM: 4424 # 1176 # 4847 # 9823 # 5655 @ 6928 # 3758

SOLUTION:
-13907