The distance between A and B is 100 kilometers. The distance measured on a map is 5 cm. The distance between B and C is 8 cm on this map. How far is the actual distance between B and C?
甲乙两地相距100千米，在一幅地图上测得距离为5厘米，乙丙两地在这幅地图上测得距离8cm，则乙丙两地的实际相距多远？
<gadget id="calculator">5 / 10_000_000</gadget>
<output>1/2_000_000 = around 0</output>

<gadget id="calculator">8 / (1/2_000_000) / 100_000</gadget>
<output>160</output>

<result>160</result>