In this task you will be given an arithmetic operation and you have to find its answer. The symbols of operators '+' and '-' has been swapped i.e you need to perform subtraction when you see a '+' symbol and  addition in case of '-' symbol.
Q: 4494 - 3982 - 3562 + 341 + 5494 - 3299 - 7182 - 8494
A: 
25178