20 kg: 0.2 tons = how much
20千克：0.2吨=多少
<gadget id="calculator">20 / 20</gadget>
<output>1</output>

<gadget id="calculator">0.2 * 1_000</gadget>
<output>200</output>

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

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

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