To build a road, build (12/5) kilometers every day, and just repair the full length (2/3) in 5 days. How many meters is the total length of this road?
修一条路，每天修(12/5)千米，5天正好修全长的(2/3)，这条路全长多少米？
<gadget id="calculator">12 / 5</gadget>
<output>12/5 = around 2.4</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">5 / (2/3)</gadget>
<output>15/2 = around 7.5</output>

<gadget id="calculator">(12/5) * (15/2) * 1_000</gadget>
<output>18_000</output>

<result>18_000</result>