A taxi traveled a total of 490 kilometers from 10:00 am to 5:00 pm. How many kilometers per hour did the taxi travel on average?
一辆出租车从上午10时到下午5时共行驶了490千米，这辆出租车平均每小时行驶多少千米？
<gadget id="calculator">17 - 10</gadget>
<output>7</output>

<gadget id="calculator">490 / 7</gadget>
<output>70</output>

<result>70</result>