Two trains A and B travel towards each other from two stations 702 kilometers apart, and meet each other after 6 hours. Train A travels 65 kilometers per hour. How many kilometers per hour does train B travel? (solution by equation)
甲乙两辆火车分别从相距702千米的两站相向而行，6小时后相遇，甲车每小时行65千米，乙车每小时行多少千米？(用方程解)
<gadget id="calculator">65 * 6</gadget>
<output>390</output>

<gadget id="calculator">702 - 390</gadget>
<output>312</output>

<gadget id="calculator">312 / 6</gadget>
<output>52</output>

<result>52</result>