On a map with a scale of 1:1000000, the distance between the two places is 15 cm. What is the actual distance in kilometers between the two places?
在一幅比例尺是1：1000000的地图上，量得两地距离是15厘米，这两地实际距离是多少千米．
<gadget id="calculator">1 / 1_000_000</gadget>
<output>1/1_000_000 = around 0.000001</output>

<gadget id="calculator">15 / (1/1_000_000) / 100_000</gadget>
<output>150</output>

<result>150</result>