In this task you will be given an arithmetic operation in Italian and you have to find its answer. The operations 'addition' and 'subtraction' have been replaced with their italian translations i.e you need to perform addition when you see 'aggiunta' and subtraction in case of 'sottrazione'.
Q: 2725 aggiunta 6125 aggiunta 5446 sottrazione 7300 aggiunta 5688
A: 
12684