The housing project will solve housing problems for 432 households. If each building has 2 units and each unit has 24 households, how many such buildings are needed in total?
安居工程要为432户居民解决住房问题．如果每栋楼有2个单元，每个单元有24户，一共需要多少栋这样的楼？
<gadget id="calculator">24 * 2</gadget>
<output>48</output>

<gadget id="calculator">432 / 48</gadget>
<output>9</output>

<result>9</result>