Teacher: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'.
Teacher: Now, understand the problem? Solve this instance: 1170 aggiunta 4224 sottrazione 999 aggiunta 2968 sottrazione 4690 aggiunta 1518 sottrazione 9104
Student:
-4913