Xiao Ming bought 3.2 kilograms of bananas and spent a total of 8 yuan. How much is the average banana per kilogram?
小明买了3.2千克香蕉，共花了8元钱，平均每千克香蕉多少钱？
<gadget id="calculator">8 / 3.2</gadget>
<output>2.5</output>

<result>2.5</result>