A teacup can hold 200 ml of water, how many such teacups can be filled with 10 liters of water?
一个茶杯能装200毫升水，10升水能装满多少个这样的茶杯．
<gadget id="calculator">1_000 / 200</gadget>
<output>5</output>

<gadget id="calculator">10 * 5</gadget>
<output>50</output>

<result>50</result>