A new peasant village is built in a town to resettle 720 peasant households. If each building has 4 units and each unit houses 12 households, how many such buildings will be built in total?
某镇修建农民新村安置720户农民，如果每栋楼修4个单元，每个单元住12户，一共要修多少幢这样的楼房？
<gadget id="calculator">12 * 4</gadget>
<output>48</output>

<gadget id="calculator">720 / 48</gadget>
<output>15</output>

<result>15</result>