The telecommunications bureau installs 72 telephones on average every week. There are 12 buildings in the new community, and 48 households live in each building. If each household installs a telephone, how many weeks will it take for the telecommunications bureau to install it?
电信局平均每周安装电话72部，新小区有12栋楼，每栋楼住48户，如果每户安装一部电话，那么电信局需几周才能装完？
<gadget id="calculator">48 * 12</gadget>
<output>576</output>

<gadget id="calculator">576 / 72</gadget>
<output>8</output>

<result>8</result>