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: 7748 sottrazione 4850 aggiunta 6377 aggiunta 2656 sottrazione 5002 sottrazione 3452 sottrazione 3262 aggiunta 7788

Solution: 8003