The distance between Guiyang and Kunming is 588 kilometers. A car departs from Guiyang at 5:00 in the morning and arrives in Kunming at 12:00 noon. How many kilometers per hour does this car travel on average?
贵阳到昆明相距588千米，一辆汽车早上5时从贵阳出发，中午12时到达昆明．这辆汽车平均每时行多少千米？
<gadget id="calculator">588 / 7</gadget>
<output>84</output>

<result>84</result>