Two trains depart from two places 875 kilometers apart at the same time. Car A travels 80 kilometers per hour. After 5 hours, the two trains meet. Find the speed of car B.
两列火车从相距875千米的两地同时相对开出，甲车每小时行80千米，经过5小时两车相遇，求乙车的速度．
<gadget id="calculator">875 / 5</gadget>
<output>175</output>

<gadget id="calculator">175 - 80</gadget>
<output>95</output>

<result>95</result>