If a car (3/5) travels 30 kilometers in an hour, how many hours does it take to travel 1 kilometer, and what is the formula?
一辆汽车(3/5)小时行驶30千米，行l千米需要多少小时，列式是多少
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(3/5) / 30</gadget>
<output>1/50 = around 0.02</output>

<result>1/50 = around 0.02</result>