There are two baskets of fruit. Basket A contains 45 kilograms of apples, which have been sold (1/5). After the oranges in basket B are sold (1/7), they are equal to the rest of basket A.
有两筐水果，甲筐是苹果45千克，已卖出(1/5)，乙筐的桔子卖出(1/7)后，与甲筐剩下的相等，卖出了桔子多少千克？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">1 - (1/7)</gadget>
<output>6/7 = around 0.857143</output>

<gadget id="calculator">(4/5) / (6/7)</gadget>
<output>14/15 = around 0.933333</output>

<gadget id="calculator">45 * (14/15) * (1/7)</gadget>
<output>6</output>

<result>6</result>