TASK DEFINITION: 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'.
PROBLEM: 7879 aggiunta 5810 aggiunta 4807 sottrazione 7816

SOLUTION: 10680

PROBLEM: 3420 aggiunta 4648 sottrazione 9951

SOLUTION: -1883

PROBLEM: 8711 sottrazione 2034 aggiunta 4678

SOLUTION:
11355