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: 1899 aggiunta 4435 aggiunta 1310 aggiunta 6304 sottrazione 4263 sottrazione 9357
Student:
328