How many floors are in the "Antilia Building", which is a private residence of the Indian billionaire Mukesh Ambani & his family?

Answer: Option A

Antilia is a private residence in the billionaire's row of Mumbai, India, named after the mythical island Antillia. It is the residence of the Indian billionaire Mukesh Ambani and his family, who moved into it in 2012. The skyscraper-mansion is one of the world’s largest and most elaborate private homes, at 27 stories.