What is the ratio of 20 kilograms: 0.2 tons?
20千克：0.2吨的比值是多少．
<gadget id="calculator">0.2 * 1_000</gadget>
<output>200</output>

<gadget id="calculator">20 / 200</gadget>
<output>1/10 = around 0.1</output>

<result>1/10 = around 0.1</result>