There are 10 residential buildings in the first phase of Hanlinyuan, each building has 18 floors, and each floor has 4 houses. How many houses are there in Hanlinyuan Phase I?
翰林缘一期有10幢住宅楼，每幢18层，每层有4套住房．翰林缘一期一共有多少套住房？
<gadget id="calculator">18 * 4 * 10</gadget>
<output>720</output>

<result>720</result>