Two trains depart from the east and west stations at the same time. Car A travels 35.5 kilometers per hour, and train B travels 40 kilometers per hour. After 4 hours, the distance between the two trains is still 35 kilometers. The length of the railway between the two stations is How much rice?
两列火车分别从东、西两站同时相对开出，甲车每小时行35.5千米，乙车每小时行40千米，4小时后两车还相距35千米，两站间的铁路长多少米？
<gadget id="calculator">35.5 + 40</gadget>
<output>75.5</output>

<gadget id="calculator">75.5 * 4</gadget>
<output>302</output>

<gadget id="calculator">302 + 35</gadget>
<output>337</output>

<gadget id="calculator">337 * 1_000</gadget>
<output>337_000</output>

<result>337_000</result>