A basket of apples weighs 60 kilograms, 40% of the first sale, and 80% of the second sale. How many kilograms did you sell the second time?
一筐苹果重60千克，第一次卖出40%，第二次卖出的相当于第一次的80%．第二次卖出多少千克？
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">60 * (2/5) * (4/5)</gadget>
<output>96/5 = around 19.2</output>

<result>96/5 = around 19.2</result>