A car starts at 7:45 AM and travels a total of 720 kilometers until 3:45 PM. How many kilometers does this car travel per hour?
一辆汽车从上午7：45开始，到下午3：45共行驶了720千米，这辆汽车每小时行多少千米？
<gadget id="calculator">720 / 8</gadget>
<output>90</output>

<result>90</result>