A restaurant bought 8 kilograms of cabbage and radish each, and spent a total of 24.8 yuan. Cabbage is 0.8 yuan per kilogram, how much is radish per kilogram?
某饭店买来白菜和萝卜各8千克，共花了24.8元．白菜每千克0.8元，萝卜每千克多少元？
<gadget id="calculator">24.8 / 8</gadget>
<output>3.1</output>

<gadget id="calculator">3.1 - 0.8</gadget>
<output>2.3</output>

<result>2.3</result>