basket of apples weighs 65 kilograms, half of which is sold and 35 kilograms remain. How much does the basket weigh?
一筐苹果，连筐重65千克，卖掉一半后还剩35千克，筐重多少千克？
<gadget id="calculator">65 - 35</gadget>
<output>30</output>

<gadget id="calculator">30 * 2</gadget>
<output>60</output>

<gadget id="calculator">65 - 60</gadget>
<output>5</output>

<result>5</result>