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: 4089 @ 276 @ 7408 # 9945 @ 4656

SOLUTION: 6484

PROBLEM: 2853 @ 2447 @ 3565

SOLUTION: 8865

PROBLEM: 857 # 201 @ 7667 # 3203 @ 6057 @ 1046 # 1548 @ 627

SOLUTION:
11302