The distance between the two places is 560 kilometers. Cars A and B drive from the two places at the same time. Car A travels 85 kilometers per hour. After 3.5 hours, it meets car B. How many kilometers does car B travel per hour?
两地相距560千米，甲、乙两车同时从两地相对开出，甲车每小时行驶85千米，3.5小时后与乙车相遇，乙车每小时行驶多少千米？
<gadget id="calculator">85 * 3.5</gadget>
<output>297.5</output>

<gadget id="calculator">560 - 297.5</gadget>
<output>262.5</output>

<gadget id="calculator">262.5 / 3.5</gadget>
<output>75</output>

<result>75</result>