1 centimeter on the map represents the actual distance of 80 kilometers, what is the scale of this map
地图上1厘米代表实际距离80千米，这幅地图的比例尺是多少
<gadget id="calculator">80 * 100_000</gadget>
<output>8_000_000</output>

<gadget id="calculator">1 / 8_000_000</gadget>
<output>1/8_000_000 = around 0</output>

<result>1/8_000_000 = around 0</result>