Find the distance on the map: How many centimeters should a highway with a length of 680 kilometers be drawn on a map with a scale of 1:2000000?
求图上距离：一条长680千米的高速公路，画在比例尺是1：2000000的地图上，应画多少厘米？
<gadget id="calculator">1 / 2_000_000</gadget>
<output>1/2_000_000 = around 0</output>

<gadget id="calculator">680 * 100_000 * (1/2_000_000)</gadget>
<output>34</output>

<result>34</result>