A small glass of water is about 250 milliliters, how many cups of this water is 1 liter.
一小杯水大约是250毫升，多少杯这样的水有1升．
<gadget id="calculator">1_000 / 250</gadget>
<output>4</output>

<gadget id="calculator">1 * 4</gadget>
<output>4</output>

<result>4</result>