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: 235 aggiunta 6670 sottrazione 1469 aggiunta 5121 sottrazione 7873

SOLUTION: 2684

PROBLEM: 8844 sottrazione 1316 aggiunta 3098

SOLUTION: 10626

PROBLEM: 8651 aggiunta 9876 sottrazione 3725 aggiunta 2093

SOLUTION:
16895