A mountain road is 24 kilometers long. It takes Xiaohua 8 hours to go up the mountain and 4.8 hours to go down the mountain. How many meters does Xiaohua travel on average per hour?
一条山路长24千米，小华上山用8小时，下山用4.8小时，小华上山下山平均每小时行多少米？
<gadget id="calculator">24 + 24</gadget>
<output>48</output>

<gadget id="calculator">8 + 4.8</gadget>
<output>12.8</output>

<gadget id="calculator">48 / 12.8</gadget>
<output>3.75</output>

<result>3.75</result>