A basket of apples weighs 84 kilograms. After selling half of them, the basket weighs 43 kilograms. How many kilograms of apples were there in the basket?
一筐苹果，连筐重84千克，卖出一半后连筐还重43千克，筐里原来有多少千克苹果？
<gadget id="calculator">84 - 43</gadget>
<output>41</output>

<gadget id="calculator">41 * 2</gadget>
<output>82</output>

<result>82</result>