Two trains, A and B, depart from two stations at the same time. Train A travels 85 kilometers per hour, and train B travels 105 kilometers per hour. They meet after 2.4 hours. How many miles is the railway between the two stations?
甲、乙两列火车分别从两站同时相向开出，甲车每小时行85千米，乙车每小时行105千米，经过2.4小时相遇．两站之间的铁路长多少千米？
<gadget id="calculator">85 + 105</gadget>
<output>190</output>

<gadget id="calculator">190 * 2.4</gadget>
<output>456</output>

<result>456</result>