On a map with a scale of (1/6000000), 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(1/6000000)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 / 6_000_000</gadget>
<output>1/6_000_000 = around 0</output>

<gadget id="calculator">15 / (1/6_000_000) / 100_000</gadget>
<output>900</output>

<result>900</result>