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: 1980 @ 600 # 9239 @ 3045 @ 2759 @ 2773 @ 4832 @ 1228 @ 9142
Student:
17120