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: 6787 sottrazione 5706 aggiunta 5495 aggiunta 5670 aggiunta 206 sottrazione 8552
A:
3900