How much less than 20 kg is 14 kg.
比20千克少多少是14千克．
<gadget id="calculator">20 - 14</gadget>
<output>6</output>

<gadget id="calculator">6 / 20</gadget>
<output>3/10 = around 0.3</output>

<result>3/10 = around 0.3</result>