Given the task definition and input, reply with output. 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'.

2615 aggiunta 6793 aggiunta 702 aggiunta 1923 sottrazione 3007 aggiunta 4176

13202