The distance between A and B is 750 kilometers. Two trains depart from the two places at the same time. After 6 hours, the train A travels 65 kilometers per hour. How many kilometers per hour does B train travel?
甲乙两地相距750千米，两列火车同时从两地相对开出，经过6小时相遇，甲车每小时65千米，乙车每小时行多少千米？
<gadget id="calculator">750 / 6</gadget>
<output>125</output>

<gadget id="calculator">125 - 65</gadget>
<output>60</output>

<result>60</result>