A residential area in Wuxi City is building an information-based community, and a total of 800 households need to install broadband equipment. After the engineering team worked for 12 days, (2/5) of the installation work has been completed, how many days will it take for the engineering team to complete all the installation?
无锡市某居民小区建设信息化小区，共有800户家庭需要安装宽带设备．工程队工作12天后，已经完成了安装工作的(2/5)，工程队完成全部安装共需多少天？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(2/5) / 12</gadget>
<output>1/30 = around 0.033333</output>

<gadget id="calculator">800 * (1/30)</gadget>
<output>80/3 = around 26.666667</output>

<gadget id="calculator">800 / (80/3)</gadget>
<output>30</output>

<result>30</result>