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'.

8099 sottrazione 8756 sottrazione 9081 aggiunta 1589 aggiunta 5289 sottrazione 294 aggiunta 4607 aggiunta 2649 sottrazione 5420
-1318