The "Harmony" EMU from Beijing West Railway Station to Taiyuan travels 230 kilometers per hour and arrives at Taiyuan Station in 3 hours. How long is the railway from Beijing to Taiyuan?
从北京西站开往太原的"和谐"号动车组每小时行驶230千米，3小时后到太原站．北京到太原的铁路长多少米？
<gadget id="calculator">230 * 3 * 1_000</gadget>
<output>690_000</output>

<result>690_000</result>