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: 2919 aggiunta 2493 sottrazione 4867 sottrazione 7270 sottrazione 146 sottrazione 7854
A: 
-14725