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: 2415 aggiunta 2248 sottrazione 1584 aggiunta 5890 sottrazione 441 sottrazione 3956 aggiunta 2856
Student:
7428