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: 2448 @ 5284 # 6313 @ 7761 @ 4601 @ 6800

A: 20581
****
Q: 580 @ 9980 # 4059 # 4694 @ 8096 # 3324

A: 6579
****
Q: 7902 # 8518 # 4189 # 8877 @ 2105 # 8578 # 1978 @ 3285

A:
-18848
****