A car travels 30 kilometers per hour, how long does it take to travel 1 kilometer, and what is the formula
一辆汽车每小时行驶30千米，行1千米需要多长时间，列式是多少
<gadget id="calculator">1 / 30</gadget>
<output>1/30 = around 0.033333</output>

<result>1/30 = around 0.033333</result>