When drawing a bar graph, use a straight bar with a length of 2 cm to represent 5 million yuan. To represent an output value of 20 million yuan, how many centimeters should the straight bar be drawn?
在画条形统计图时，用2厘米长的直条表示500万元，要表示2000万元产值，直条应画多少厘米．
<gadget id="calculator">500 / 2</gadget>
<output>250</output>

<gadget id="calculator">2_000 / 250</gadget>
<output>8</output>

<result>8</result>