Detailed Instructions: 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: 2118 aggiunta 1316 aggiunta 8745 sottrazione 2773 aggiunta 1803 aggiunta 4509
A:
15718