Teacher: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
Teacher: Now, understand the problem? Solve this instance: 7211 # 5522 # 6804 # 7388 # 5940 @ 7070 # 8784 @ 7311
Student:
-12846