Detailed Instructions: 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: 5526 sottrazione 6630 aggiunta 4578 sottrazione 5433 aggiunta 2777 aggiunta 7791
A:
8609