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: 8396 aggiunta 5328 aggiunta 3341 aggiunta 2556 sottrazione 1454 aggiunta 8562 sottrazione 1042
A: 
25687