The total weight of the two bags of toffee is 14 kg. If 20% of the sugar is taken from bag A and put into bag B, then the weight ratio of the two bags of sugar is 2:5. How many kilograms of the original toffee in bag A?
两袋奶糖共重14千克．如果从甲袋取出糖的20%放入乙袋，那么这时甲、乙两袋糖的重量比是2：5．甲袋原有奶糖多少千克？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(2/5) * 14</gadget>
<output>28/5 = around 5.6</output>

<gadget id="calculator">(2/5) * 0.8</gadget>
<output>0.32</output>

<gadget id="calculator">0.8 + 0.32</gadget>
<output>1.12</output>

<gadget id="calculator">(28/5) / 1.12</gadget>
<output>5</output>

<result>5</result>