The distance between A and B is 1500 km. Cars A and B leave opposite places at the same time from places A and B. At 10:00, the two cars meet. Car A travels 80 km per hour, how many kilometers per hour does Car B travel?
A、B两地相距1500km．甲、乙两车同时从A、B两地相对开出，10时两车相遇．甲车每小时行80km，乙车每小时行多少km？
<gadget id="calculator">1_500 / 10</gadget>
<output>150</output>

<gadget id="calculator">150 - 80</gadget>
<output>70</output>

<result>70</result>