On a map with a scale of 1:36000, the distance between A and B is measured to be 25 cm. What is the actual distance between A and B in kilometers?
在一幅比例尺是1：36000的地图上，量得甲乙两地的距离是25厘米，甲、乙两地的实际距离是多少千米．
<gadget id="calculator">1 / 36_000</gadget>
<output>1/36_000 = around 0.000028</output>

<gadget id="calculator">25 / (1/36_000) / 100_000</gadget>
<output>9</output>

<result>9</result>