On a map of China, the actual distance of 240 kilometers is represented by a line segment with a length of 3 cm. If the distance between A and B is 1.8 cm, how many kilometers is the actual distance between A and B?
在一幅中国地图上，用3厘米长的线段表示实际距离240千米，如果量得甲、乙两地相距1.8厘米，那么甲、乙两地的实际距离是多少千米？
<gadget id="calculator">240 * 100_000</gadget>
<output>24_000_000</output>

<gadget id="calculator">3 / 24_000_000</gadget>
<output>1/8_000_000 = around 0</output>

<gadget id="calculator">1.8 / (1/8_000_000) / 100_000</gadget>
<output>144</output>

<result>144</result>