The highway between the two places is 760 kilometers long. Cars A and B drive from the two places at the same time, drive toward each other, and meet each other after 4 hours. Car A travels 90 kilometers per hour, how many kilometers per hour does Car B travel?
两地间的公路长760千米，甲、乙两辆汽车同时从两地开出，相向而行，经过4小时相遇．甲车每小时行90千米，乙车每小时行多少千米？
<gadget id="calculator">760 / 4</gadget>
<output>190</output>

<gadget id="calculator">190 - 90</gadget>
<output>100</output>

<result>100</result>