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: 2628 aggiunta 6766 sottrazione 2729 aggiunta 580 sottrazione 7321 sottrazione 1144
Student:
-1220