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: 7002 aggiunta 1453 sottrazione 3891 aggiunta 224 aggiunta 162 aggiunta 27 sottrazione 2674
A: 
2303