Two trains, A and B, depart from the same station at 9 am. Train A travels 82 kilometers per hour to the north, and train B travels 86 kilometers per hour to the south. At 2 pm, how many kilometers are there between the two trains?
甲、乙两列火车从同一车站于上午9点开出，甲车向北每小时行82千米，乙车向南每小时行86千米，到下午2时，两车相距多少千米？
<gadget id="calculator">82 + 86</gadget>
<output>168</output>

<gadget id="calculator">14 - 9</gadget>
<output>5</output>

<gadget id="calculator">168 * 5</gadget>
<output>840</output>

<result>840</result>