There are three baskets of apples with the same weight. Take out (1/2) the weight of the first basket, (7/20) the weight of the second basket, and take 12 kg from the third basket. At this time, the remaining apples in the three baskets are exactly equal to the original The weight of two baskets of apples. How many kilograms does each basket of apples weigh?
有三筐同样重的苹果，取出第一筐重量的(1/2)，第二筐重量的(7/20)，从第三筐中取出12千克，这时三筐剩下的苹果恰好等于原来两筐苹果的重量．原来每筐苹果重多少千克？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">7 / 20</gadget>
<output>7/20 = around 0.35</output>

<gadget id="calculator">1 - (1/2) - (7/20)</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">12 / (3/20)</gadget>
<output>80</output>

<result>80</result>