The speed of a person riding a bicycle is about 15 km/h, which is equivalent to (1/5) the speed of a car. What is the speed of a car?
人骑自行车的速度大约是15千米/时，相当于小汽车速度的(1/5)，小汽车速度是多少？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">15 / (1/5)</gadget>
<output>75</output>

<result>75</result>