There are 12 new buildings in Songgui Community, each with 9 floors and 6 households on each floor. How many households can live in the newly built buildings?
松桂小区新建了12栋楼房，每栋有9层，每层6户，新建的楼房可住多少户人家？
<gadget id="calculator">6 * 9 * 12</gadget>
<output>648</output>

<result>648</result>