On Father's Day, Xiaofeng went to the supermarket to buy fruit for his father. The price of apples is 3.8 yuan per kilogram, and the price of oranges is 5.6 yuan per kilogram. If you buy 3 kilograms each of apples and oranges, how much should you pay in total?
父亲节那天，晓峰去超市给爸爸买水果．苹果每千克售价3.8元，橘子每千克售价5.6元，苹果和橘子各买3千克，一共应付多少元钱？
<gadget id="calculator">3.8 + 5.6</gadget>
<output>9.4</output>

<gadget id="calculator">9.4 * 3</gadget>
<output>28.2</output>

<result>28.2</result>