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'.

7878 sottrazione 3121 aggiunta 1532 aggiunta 3994 sottrazione 5080
5203