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

SOLUTION: 2348

PROBLEM: 5912 aggiunta 8754 aggiunta 4209

SOLUTION: 18875

PROBLEM: 2446 aggiunta 2021 aggiunta 5259 sottrazione 5491

SOLUTION:
4235