Xiaohong helped her mother dig potatoes, digging a total of 102 kilograms from 8:00 a.m. to 11:00 a.m. How many kilograms are dug per hour on average?
小红帮妈妈挖土豆，从上午8时到11时一共挖了102千克．平均每小时挖多少千克？
<gadget id="calculator">11 - 8</gadget>
<output>3</output>

<gadget id="calculator">102 / 3</gadget>
<output>34</output>

<result>34</result>