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'.

1939 sottrazione 7343 aggiunta 7493 aggiunta 1529 aggiunta 4229 sottrazione 2274 aggiunta 6691 aggiunta 7539
19803