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: 2180 aggiunta 5475 sottrazione 1506 aggiunta 4942 aggiunta 4394 aggiunta 5180
A:
20665