The road repair team wants to build a 1,500-meter-long road, and it took 9 days to repair the full length (3/8). At this speed, how many days will it take to build this road?
修路队要修一条长1500米的公路，9天修了全长的(3/8)，照这样的速度，修这条公路还要多少天？
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">(3/8) / 9</gadget>
<output>1/24 = around 0.041667</output>

<gadget id="calculator">1 / (1/24)</gadget>
<output>24</output>

<gadget id="calculator">24 - 9</gadget>
<output>15</output>

<result>15</result>