Cars are 20% faster than motorcycles. The speed of the motorcycle = how much.
汽车的速度比摩托车快20%．摩托车的速度=多少．
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<result>6/5 = around 1.2</result>