The distance between places A and B is 1200 km. Cars A and B are driving towards each other at the same time. After 8 hours, the two cars meet. If car A travels 70 km per hour, how many kilometers per hour does car B travel?
A、B两地相距1200km，甲、乙两车同时从两地相向而行，经过8小时两车相遇．如果甲车每小时行70km，那么乙车每小时行多少千米？
<gadget id="calculator">1_200 / 8</gadget>
<output>150</output>

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

<result>80</result>