The ninth construction team of Zhongcheng Engineering Company contracted the 1,500-meter road construction project, and completed 40% of the entire project in the first 8 days. Based on this calculation, how many days will it take to complete the remaining project?
中诚工程公司第九施工队承包1500米的修路工程，前8天完成了全部工程的40%，照这样计算，完成剩余的工程还需要几天？
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(2/5) / 8</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">(3/5) / (1/20)</gadget>
<output>12</output>

<result>12</result>