The highway from Zhongshan to Guangzhou is about 110 kilometers long. The car traveled from Zhongshan to Guangzhou for 2 hours, how many kilometers per hour on average?
中山到广州的公路大约长110千米．小汽车从中山到广州行驶了2小时，平均每小时行驶多少千米？
<gadget id="calculator">110 / 2</gadget>
<output>55</output>

<result>55</result>