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: 5208 aggiunta 6800 aggiunta 6471

Answer: 18479


Question: 5940 sottrazione 4378 aggiunta 680 sottrazione 5351 aggiunta 1968

Answer: -1141


Question: 9116 aggiunta 6557 aggiunta 5530

Answer:
21203