The distance between A and B is 150 kilometers. The distance between A and B is 5 cm on a map, and the distance between B and C is 7 cm on this map. What is the actual distance in kilometers between the two cities?
甲乙两城相距150千米，在一幅地图上量得甲乙两城之间的距离是5厘米，同时在这幅地图上量得乙丙两城之间的距离是7厘米．乙丙两城的实际距离是多少千米？
<gadget id="calculator">150 / 5</gadget>
<output>30</output>

<gadget id="calculator">30 * 7</gadget>
<output>210</output>

<result>210</result>