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: 1758 aggiunta 7577 sottrazione 1893 sottrazione 1104 sottrazione 9242 sottrazione 4891

Answer: -7795


Question: 1388 aggiunta 2849 aggiunta 223

Answer: 4460


Question: 5222 aggiunta 8404 aggiunta 3637 aggiunta 4213

Answer:
21476