The distance between the east and west cities is 375 kilometers. Cars A and B drive from opposite places at the same time. Car A travels 40 kilometers per hour, and the two cars meet after 5 hours. How many kilometers does car B travel per hour?
东西两城相距375千米，甲、乙两车同时从两地相对开出．甲车每小时行40千米，经过5小时两车相遇．乙车每小时行多少千米？
<gadget id="calculator">375 / 5</gadget>
<output>75</output>

<gadget id="calculator">75 - 40</gadget>
<output>35</output>

<result>35</result>