On a map with a scale of 1:1500000, the distance between A and B is measured to be 12 cm. How many kilometers are the actual distance between A and B?
在一幅比例尺是1：1500000的地图上，测得A、B两地相距12厘米，A、B两地实际相距多少千米？
<gadget id="calculator">1 / 1_500_000</gadget>
<output>1/1_500_000 = around 0.000001</output>

<gadget id="calculator">12 / (1/1_500_000) / 100_000</gadget>
<output>180</output>

<result>180</result>