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: 8157 # 6333 @ 7928

SOLUTION: 9752

PROBLEM: 2738 # 5562 @ 4529 @ 5438 @ 1799

SOLUTION: 8942

PROBLEM: 4888 @ 9863 @ 5252 # 6025 # 8814 # 6015

SOLUTION:
-851