Two cars A and B drive towards each other from two places at the same time, and the two cars meet after 6 hours. The distance between the two places is 348 kilometers. Car A travels 30 kilometers per hour, how many kilometers per hour does Car B travel? (It is recommended to use equations to solve)
甲乙两辆汽车同时从两地相向开出，6小时后两车相遇．两地相距348千米．甲车每小时行30千米，乙车每小时行多少千米？(建议用方程解答)
<gadget id="calculator">6 * 30</gadget>
<output>180</output>

<gadget id="calculator">348 - 180</gadget>
<output>168</output>

<gadget id="calculator">168 / 6</gadget>
<output>28</output>

<result>28</result>