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: 1162 @ 622 # 7209 @ 3448

SOLUTION: -1977

PROBLEM: 9938 # 267 # 6696 # 8186 # 5729 # 8517 # 6331 @ 7607

SOLUTION: -18181

PROBLEM: 8898 @ 121 @ 9938 # 8421 @ 2606 # 8695 # 1952 # 6902

SOLUTION:
-4407