On a map with a scale of (1/5000000), the distance from Shanghai to Hangzhou is 3.4 cm. What is the actual distance from Shanghai to Hangzhou in m?
在一幅比例尺为(1/5000000)的地图上，量得上海到杭州的距离是3.4cm，上海到杭州的实际距离是多少m．
<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) / 100</gadget>
<output>170_000</output>

<result>170_000</result>