The railway from Beijing to Shenyang is 870 kilometers long. A freight train travels from Beijing to Shenyang at 86 kilometers per hour. A passenger train travels to Beijing at the same time at 88 kilometers per hour. After how many hours do the two trains meet? (Solution of column equation)
从北京到沈阳的铁路长870千米，一列货车从北京开往沈阳，每小时行86千米，一列客车同时开往北京，每小时行88千米，经过几小时两车相遇？(列方程解)
<gadget id="calculator">86 + 88</gadget>
<output>174</output>

<gadget id="calculator">870 / 174</gadget>
<output>5</output>

<result>5</result>