Mom bought radishes and cabbage, and it cost 15 yuan to buy cabbage. She bought 23kg of radishes, which cost 80 cents per kilogram. How much did mother spend on radish and cabbage?
妈妈买了萝卜和白菜，买白菜用去15元，买了23kg萝卜，每千克8角钱，妈妈买萝卜和白菜一共用了多少元．
<gadget id="calculator">0.8 * 27</gadget>
<output>21.6</output>

<gadget id="calculator">21.6 + 15</gadget>
<output>36.6</output>

<result>36.6</result>