Two trains A and B leave at the same time from A and B, which are 184 kilometers apart, and meet each other after 1.6 hours. Train A travels 45 kilometers per hour. How many kilometers per hour does train B travel?
甲乙两列火车同时从相距184千米的A、B两地相对开出，经过1.6小时相遇，甲车每小时行45千米，乙车每小时行多少千米？
<gadget id="calculator">184 / 1.6</gadget>
<output>115</output>

<gadget id="calculator">115 - 45</gadget>
<output>70</output>

<result>70</result>