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: 6321 sottrazione 2091 aggiunta 3784 sottrazione 6021 aggiunta 2122 aggiunta 7724 aggiunta 9705
A:
21544