There are two baskets of apples, the second basket is less than the first basket, after taking 4.2 kg from the second basket, the ratio of the first basket to the second basket is 8:5, how much more apples are in the first basket than the original second basket kilogram?
有两筐苹果，第二筐比第一筐少，从第二筐拿走4.2千克后，第一筐与第二筐的比是8：5，第一筐苹果比原来第二筐苹果多多少千克？
<gadget id="calculator">8 / 5</gadget>
<output>8/5 = around 1.6</output>

<gadget id="calculator">(8/5) * 4.2</gadget>
<output>6.72</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(8/5) * (1/4)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(8/5) - 1 - (2/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">6.72 / (1/5)</gadget>
<output>33.6</output>

<gadget id="calculator">33.6 * (1/4)</gadget>
<output>8.4</output>

<result>8.4</result>