bicycle travels 12 kilometers per hour, and a motorcycle takes 3 minutes less than a bicycle to travel 1 kilometer per hour. How many times faster is the speed of a motorcycle than a bicycle?
一辆自行车毎小时行12千米，一辆摩托车毎行1千米比自行车少用3分钟，摩托车的速度是自行车的多少倍？
<gadget id="calculator">60 / 12</gadget>
<output>5</output>

<gadget id="calculator">5 - 3</gadget>
<output>2</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) * 60</gadget>
<output>30</output>

<gadget id="calculator">30 / 12</gadget>
<output>5/2 = around 2.5</output>

<result>5/2 = around 2.5</result>