On a map with a scale of 1:250000, the distance between A and B is 48 cm. What is the actual distance between A and B in kilometers?
在比例尺是1：250000的地图上，量得甲乙两地的距离是48厘米，甲乙两地之间的实际距离是多少千米？
<gadget id="calculator">1 / 250_000</gadget>
<output>1/250_000 = around 0.000004</output>

<gadget id="calculator">48 / (1/250_000) / 100_000</gadget>
<output>120</output>

<result>120</result>