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'.

7727 sottrazione 9962 aggiunta 8308 aggiunta 2477 sottrazione 3648 sottrazione 9516 aggiunta 3372
-1242