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'.
Example: 10 sottrazione 7
Example solution: 3
Example explanation: Here, 'sottrazione' represents the subtraction operation. So, the answer is 3 (10-7=3).

Problem: 7657 aggiunta 657 sottrazione 3540 sottrazione 2398 sottrazione 1049 aggiunta 1440 aggiunta 2639 sottrazione 3000 aggiunta 9289

Solution: 11695