On a map with a scale of 1:10000000, the length of the expressway from Chongqing to Chengdu is measured to be 3.3 centimeters. How many kilometers is the actual length of the expressway from Chongqing to Chengdu?
在一幅比例尺是1：10000000的地图上，量得重庆到成都的高速公路长上3.3厘米，重庆到成都的高速公路实际长是多少千米？
<gadget id="calculator">1 / 10_000_000</gadget>
<output>1/10_000_000 = around 0</output>

<gadget id="calculator">3.3 / (1/10_000_000) / 100_000</gadget>
<output>330</output>

<result>330</result>