On a map with a scale of 1:500000, what is the distance in centimeters on the map where the actual distance is 35 km.
在比例尺为1：500000的地图上，实际距离为35千米的图上距离是多少厘米．
<gadget id="calculator">1 / 500_000</gadget>
<output>1/500_000 = around 0.000002</output>

<gadget id="calculator">35 * 100_000 * (1/500_000)</gadget>
<output>7</output>

<result>7</result>