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: 3255 sottrazione 3992 aggiunta 5812 aggiunta 2649 aggiunta 6948
A: 
14672