On the map of China with a scale of (1/35000000), the Chengdu-Kunming Railway is 3.1 cm long. How many kilometers is the total length of the Chengdu-Kunming Railway?
在比例尺是(1/35000000)的中国地图上量得成昆铁路长3.1厘米，成昆铁路全长多少千米？
<gadget id="calculator">1 / 35_000_000</gadget>
<output>1/35_000_000 = around 0</output>

<gadget id="calculator">3.1 / (1/35_000_000) / 100_000</gadget>
<output>1_085</output>

<result>1_085</result>