On a city map with a scale of 1:3000, the distance between A and B is 2.5 cm. What is the actual distance between these two places in m?
在比例尺为1：3000的城区地图上，量得甲、乙两地距离为2.5cm，这两地的实际距离为多少m．
<gadget id="calculator">1 / 3_000</gadget>
<output>1/3_000 = around 0.000333</output>

<gadget id="calculator">2.5 / (1/3_000) / 100</gadget>
<output>75</output>

<result>75</result>