Put 1 liter of liquid medicine in 4 bottles, how many milliliters of liquid medicine are in each bottle on average.
把1升药水分装在4个瓶中，平均每个瓶子多少毫升药水．
<gadget id="calculator">1_000 / 4</gadget>
<output>250</output>

<gadget id="calculator">1 * 250</gadget>
<output>250</output>

<result>250</result>