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: 2724 @ 8119 @ 1049 @ 9004

SOLUTION: 20896

PROBLEM: 1664 # 2003 # 3533

SOLUTION: -3872

PROBLEM: 3183 @ 776 @ 3386 @ 5601 # 7259 # 957 @ 7973 # 610

SOLUTION:
12093