Passage: Mandalay Bay is a 43-story luxury resort and casino on the Las Vegas Strip in Paradise, Nevada. It is owned and operated by MGM Resorts International. One of the property's towers operates as the Delano; the Four Seasons Hotel is independently operated within the Mandalay Bay tower, occupying 5 floors (35 -- 39).\n\nQuestion: Based on this passage, how many floors are there at the mandalay bay hotel in las vegas? Let's have some stream of consciousness first.
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The relevant information is: Mandalay Bay is a 43-story luxury resort and casino on the Las Vegas Strip in Paradise, Nevada. So, the answer is 43.
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