Xiaohong's home is 10 kilometers away from Xishan Park. Xiaohong starts from home at 8:00 am and arrives at Xishan Park at 10:00 am. How many kilometers does Xiaohong travel per hour on average?
小红家离西山公园有10千米．小红上午8：00从家出发，上午10：00到达西山公园，小红平均每小时行多少千米？
<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<result>5</result>