If you put 30 liters of salt water into a 250 ml salt water bottle, how many bottles can it hold?
把30升的盐水装入容积是250毫升的盐水瓶，能装多少瓶．
<gadget id="calculator">30 * 1_000</gadget>
<output>30_000</output>

<gadget id="calculator">30_000 / 250</gadget>
<output>120</output>

<result>120</result>