How many cups can you pour 1 liter of water into a 200ml cup?
把1升水倒入200毫升的杯子，可以倒多少杯．
<gadget id="calculator">1_000 / 200</gadget>
<output>5</output>

<gadget id="calculator">1 * 5</gadget>
<output>5</output>

<result>5</result>