The China Pavilion of the Shanghai World Expo is 69 meters high. There is a model of the China Pavilion. The ratio of its height to the actual height is 1:100. How many miles is this model? (Solve with ratio)
上海世博会中国馆高69米，现有一个中国馆的模型，它的高度与实际高度的比是1：100，这个模型高多少里米？(用比例解)
<gadget id="calculator">1 / 100</gadget>
<output>1/100 = around 0.01</output>

<gadget id="calculator">(1/100) * 6_900</gadget>
<output>69</output>

<result>69</result>