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: 5337 aggiunta 8611 sottrazione 2618 aggiunta 2107

SOLUTION: 13437

PROBLEM: 3420 aggiunta 4648 sottrazione 9951

SOLUTION: -1883

PROBLEM: 3819 sottrazione 7160 aggiunta 9231 sottrazione 3959 aggiunta 8502 sottrazione 8085

SOLUTION:
2348