The distance between A and B is 14cm measured on a map with a scale of 1:500000. What is the actual distance in km between the two places?
在比例尺是1：500000的地图上量得甲、乙两地距离是14cm，两地实际距离是多少km．
<gadget id="calculator">1 / 500_000</gadget>
<output>1/500_000 = around 0.000002</output>

<gadget id="calculator">14 / (1/500_000) / 100_000</gadget>
<output>70</output>

<result>70</result>