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: 3256 sottrazione 5464 sottrazione 5786

A: -7994
****
Q: 4973 aggiunta 2155 aggiunta 4812 sottrazione 9446

A: 2494
****
Q: 8376 sottrazione 4455 sottrazione 7423

A:
-3502
****