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: 7676 aggiunta 8942 sottrazione 5520 sottrazione 5178 aggiunta 4930 sottrazione 4308
A: 
6542