If a person walks 5 kilometers per hour, cycling takes 8 minutes less than walking per kilometer, and the speed of cycling is how many times faster than walking.
一个人每小时步行5千米，骑车比步行每千米少用8分钟，骑车的速度是步行的多少倍．
<gadget id="calculator">60 / 5</gadget>
<output>12</output>

<gadget id="calculator">12 - 8</gadget>
<output>4</output>

<gadget id="calculator">60 / 4 / 5</gadget>
<output>3</output>

<result>3</result>