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
--------
Question: 8227 # 7725 @ 669 @ 489 @ 6499 @ 2486

Answer: 10645


Question: 9720 @ 6485 @ 1745 @ 728

Answer: 18678


Question: 7792 # 974 @ 6057 # 8854

Answer:
4021