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: 5327 aggiunta 7646 aggiunta 7992 aggiunta 7429 sottrazione 8642 sottrazione 5580
A: 
14172