The railway line from Beijing to Shijiazhuang is 282 kilometers long. If it is drawn on a map with a scale of 1:3,000,000, how many centimeters should it be drawn?
北京到石家庄的铁路线长282千米，画在比例尺是1：3000000的地图上，应画多少厘米长．
<gadget id="calculator">1 / 3_000_000</gadget>
<output>1/3_000_000 = around 0</output>

<gadget id="calculator">282 * 100_000 * (1/3_000_000)</gadget>
<output>47/5 = around 9.4</output>

<result>47/5 = around 9.4</result>