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

[EX Q]: 6896 @ 8548 @ 1670 @ 7550 # 921
[EX A]: 23743

[EX Q]: 3938 @ 6900 @ 1254 @ 25 # 7237 # 5576 @ 8865 # 8864 @ 1349
[EX A]: 654

[EX Q]: 1241 # 3337 # 7154 # 6666
[EX A]:
-15916