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
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Question: 3816 @ 8163 # 9273 @ 2037 @ 8051 @ 826

Answer: 13620


Question: 6543 @ 9353 @ 2169 # 4681 @ 6446

Answer: 19830


Question: 9400 @ 3770 @ 8959 @ 7002 # 9773 @ 6045 # 5396 @ 8205

Answer:
28212