If 1 cm is used to represent 500 meters in the bar chart, then how many centimeters can represent 2000 meters.
在条形统计图中用1厘米表示500米，那么多少厘米可以表示2000米．
<gadget id="calculator">2_000 / 500</gadget>
<output>4</output>

<result>4</result>