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'.
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Question: 7917 aggiunta 2150 aggiunta 1024 aggiunta 8412

Answer: 19503


Question: 9187 sottrazione 5498 aggiunta 9547

Answer: 13236


Question: 8903 sottrazione 5801 sottrazione 3809 aggiunta 5180 aggiunta 7237 aggiunta 6957

Answer:
18667