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: 7354 sottrazione 5446 aggiunta 6106 aggiunta 4895 aggiunta 6377 aggiunta 8148 sottrazione 3475
A: 
23959