There are two buckets filled with sugar water. The large bucket contains 60 kg of sugar water containing 4% sugar, and the small bucket contains 40 kg of sugar water containing 20% sugar. equal?
有两个装满糖水的桶，大桶内装有含糖4%的糖水60千克，小桶内装有含糖20%的糖水40千克，各取出多少千克分别放人对方桶内，才能使它们的浓度相等？
<gadget id="calculator">4 / 100</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">60 * (1/25)</gadget>
<output>12/5 = around 2.4</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">40 * (1/5)</gadget>
<output>8</output>

<gadget id="calculator">(12/5) + 8</gadget>
<output>52/5 = around 10.4</output>

<gadget id="calculator">60 + 40</gadget>
<output>100</output>

<gadget id="calculator">(52/5) / 100</gadget>
<output>13/125 = around 0.104</output>

<gadget id="calculator">60 * (13/125)</gadget>
<output>156/25 = around 6.24</output>

<gadget id="calculator">(156/25) - (12/5)</gadget>
<output>96/25 = around 3.84</output>

<gadget id="calculator">(1/5) - (1/25)</gadget>
<output>4/25 = around 0.16</output>

<gadget id="calculator">(96/25) / (4/25)</gadget>
<output>24</output>

<result>24</result>