Given the task definition and input, reply with output. 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'.

7859 aggiunta 7296 aggiunta 4744 aggiunta 1511 sottrazione 3889 sottrazione 9254 sottrazione 9029 sottrazione 4393

-5155