The Gateway Center at Bronx Terminal Market, in the West Bronx, is a shopping center that encompasses less than one million square feet of retail space, built on a 17 acres (7 ha) site that formerly held the Bronx Terminal Market, a wholesale fruit and vegetable market as well as the former Bronx House of Detention, south of Yankee Stadium. How many floors does the Gateway Center at Bronx Terminal Market's parking garage have?