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: 3877 aggiunta 1236 aggiunta 8937 sottrazione 6237 aggiunta 9353 sottrazione 1448 sottrazione 7896
A: 
7822