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: 2172 aggiunta 1784 aggiunta 7939

A: 11895
****
Q: 4765 sottrazione 8014 sottrazione 7241 aggiunta 2889 aggiunta 4806

A: -2795
****
Q: 6521 aggiunta 7113 aggiunta 4158

A:
17792
****