Detailed Instructions: 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
Q: 4148 # 6568 # 4654 # 7977 # 1873 @ 6694 @ 1882 @ 5627
A:
-2721