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: 7720 @ 5171 # 6139 @ 480

SOLUTION: 7232

PROBLEM: 3351 @ 1445 @ 5875 # 1267 # 4225 @ 4098 @ 3552

SOLUTION: 12829

PROBLEM: 4316 # 6690 @ 3903 @ 5609 # 5583

SOLUTION:
1555