On a map of China with a scale of 1:5,000,000, the distance from Shanghai to Hangzhou is 3.4cm. On another map with a scale of 1:10000000, what is the distance in centimeters from Shanghai to Hangzhou?
在比例尺是1：5000000的中国地图上，量得上海到杭州的距离是3.4cm．在另一幅比例尺是1：10000000的地图上，上海到杭州的距离是多少厘米？
<gadget id="calculator">1 / 5_000_000</gadget>
<output>1/5_000_000 = around 0</output>

<gadget id="calculator">3.4 / (1/5_000_000)</gadget>
<output>17_000_000</output>

<gadget id="calculator">1 / 10_000_000</gadget>
<output>1/10_000_000 = around 0</output>

<gadget id="calculator">17_000_000 * (1/10_000_000)</gadget>
<output>17/10 = around 1.7</output>

<result>17/10 = around 1.7</result>