There are two baskets of apples, and the apples in basket A account for 60% of the total. If 20 kilograms are taken from basket A and put into basket B, then the apples in basket B are 3/5 of the total. How many kilograms of apples are there in basket B?
有两筐苹果，甲筐苹果是总数的60%，若从甲筐取出20千克放入乙筐，则乙筐苹果是总数的(3/5)．乙筐原有苹果多少千克？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(3/5) - (2/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">20 / (1/5)</gadget>
<output>100</output>

<gadget id="calculator">100 * (2/5)</gadget>
<output>40</output>

<result>40</result>