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: 7772 aggiunta 3260 sottrazione 5328 aggiunta 8935 sottrazione 4636 aggiunta 134 aggiunta 7113 aggiunta 9873
A: 
27123