The scale of a picture is 1:6000000, and the distance from A to B to B is measured as 15 cm. What is the actual distance in kilometers between these two places?
一幅图的比例尺为1：6000000，量得甲地到乙到地的距离为15厘米，这两地的实际距离是多少千米．
<gadget id="calculator">1 / 6_000_000</gadget>
<output>1/6_000_000 = around 0</output>

<gadget id="calculator">15 / (1/6_000_000) / 100_000</gadget>
<output>900</output>

<result>900</result>