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: 2169 sottrazione 2974 aggiunta 1560 sottrazione 3247 aggiunta 8502 aggiunta 7431
Student:
13441