Two cars, A and B, drive from two places 250 kilometers apart at the same time, and meet each other after 2.5 hours. Car A travels 52 kilometers per hour. How many kilometers does car B travel per hour?
甲、乙两辆汽车同时从相距250千米的两地相对开出，2.5小时后相遇，甲车每小时行52千米，乙车每小时行多少千米？
<gadget id="calculator">250 / 2.5</gadget>
<output>100</output>

<gadget id="calculator">100 - 52</gadget>
<output>48</output>

<result>48</result>