The engineering team built a road, originally planned to build 1.5 kilometers per day, but actually built 0.3 kilometers more than planned every day, so it was completed 6 days earlier than planned. How many kilometers is this road?
工程队修一条路，原计划每天修1.5千米，实际每天比计划多修0.3千米，这样比计划提前了6天完成．这条路长多少千米？
<gadget id="calculator">1.5 + 0.3</gadget>
<output>1.8</output>

<gadget id="calculator">6 / 0.3</gadget>
<output>20</output>

<gadget id="calculator">1.5 * 20</gadget>
<output>30</output>

<gadget id="calculator">1.8 * 30</gadget>
<output>54</output>

<result>54</result>