On a map with a scale of 1:5000000, the distance between A and B is 25 cm, what is the actual distance between the two places?
在比例尺为1：5000000的地图上，量得甲、乙两地的距离是25厘米，则两地间的实际距离是多少．
<gadget id="calculator">1 / 5_000_000</gadget>
<output>1/5_000_000 = around 0</output>

<gadget id="calculator">25 / (1/5_000_000) / 100_000</gadget>
<output>1_250</output>

<result>1_250</result>