Two trains A and B depart from two places 798 kilometers apart at the same time. After 4.2 hours, the two trains meet. It is known that train A travels 96 kilometers per hour. How many kilometers per hour does train B travel?
甲、乙两列火车从相距798千米的两地同时相对开出，经过4.2小时两车相遇，已知甲车每小时行驶96千米，乙车每小时行驶多少千米？
<gadget id="calculator">798 / 4.2</gadget>
<output>190</output>

<gadget id="calculator">190 - 96</gadget>
<output>94</output>

<result>94</result>