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: 6206 sottrazione 8819 aggiunta 6009 aggiunta 1489 aggiunta 9907
A: 
14792