Draw a road 80 kilometers long on the plan with a scale of (1/1000000), how many centimeters should it draw?
把一条80千米长的公路用(1/1000000)的比例尺画在平面图上，应画多少厘米．
<gadget id="calculator">1 / 1_000_000</gadget>
<output>1/1_000_000 = around 0.000001</output>

<gadget id="calculator">80 * 100_000 * (1/1_000_000)</gadget>
<output>8</output>

<result>8</result>