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: 8658 aggiunta 2396 aggiunta 3150 aggiunta 3225 sottrazione 1090 aggiunta 702 sottrazione 7565
A: 
9476