A basket of apples weighs 51.5 kilograms in total. After eating half of them, the weight in the basket is 26.8 kilograms. How many kilograms of apples are there?
一筐苹果，连筐共重51.5千克，吃了一半后，连筐共重26.8千克，苹果有多少千克？
<gadget id="calculator">51.5 - 26.8</gadget>
<output>24.7</output>

<gadget id="calculator">24.7 * 2</gadget>
<output>49.4</output>

<result>49.4</result>