You will be given a definition of a task first, then some input of the task.
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'.

8801 aggiunta 5197 sottrazione 9115 sottrazione 3550 aggiunta 3325 sottrazione 5599 sottrazione 6239
Output:
-7180