How many cups can be poured by pouring 3 liters of water into a 50 ml measuring cup?
把3升水倒入50毫升的量杯，可以倒多少杯．
<gadget id="calculator">1_000 / 50</gadget>
<output>20</output>

<gadget id="calculator">3 * 1 * 20</gadget>
<output>60</output>

<result>60</result>