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: 2215 aggiunta 9471 aggiunta 6921 aggiunta 8520

SOLUTION: 27127

PROBLEM: 5572 aggiunta 4961 sottrazione 9539 aggiunta 9112 aggiunta 2347

SOLUTION: 12453

PROBLEM: 1393 aggiunta 2124 sottrazione 4698

SOLUTION:
-1181