A car travels a total of 350 kilometers from 8:00 am to 3:00 pm. What is the average number of kilometers traveled by this car per hour?
一辆汽车从上午8时到下午3时共行驶350千米，这辆汽车平均每小时行驶多少千米．
<gadget id="calculator">15 - 8</gadget>
<output>7</output>

<gadget id="calculator">350 / 7</gadget>
<output>50</output>

<result>50</result>