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: 693 aggiunta 5140 aggiunta 3021 aggiunta 5956 sottrazione 7291 aggiunta 4838
A: 
12357