One bag of sugar weighs 500 grams, how many bags weigh 4 kg.
一袋食糖重500克，多少袋重4千克．
<gadget id="calculator">4 * 1_000</gadget>
<output>4_000</output>

<gadget id="calculator">4_000 / 500</gadget>
<output>8</output>

<result>8</result>