On a map with a scale of 1:1500000, the distance between A and B is about 6 cm. What is the actual distance between A and B in kilometers?
在比例尺1：1500000的地图上量得甲乙两地间的距离约是6厘米，甲乙两地间的实际距离大约是多少千米．
<gadget id="calculator">1 / 1_500_000</gadget>
<output>1/1_500_000 = around 0.000001</output>

<gadget id="calculator">6 / (1/1_500_000) / 100_000</gadget>
<output>90</output>

<result>90</result>