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: 7106 # 9524 # 2673 # 4668 @ 6755 # 5653 # 2688 # 9360

Answer: -20705


Question: 3938 @ 6900 @ 1254 @ 25 # 7237 # 5576 @ 8865 # 8864 @ 1349

Answer:
654