There are two baskets of apples with a total weight of 100 kg. If you take out (1/4) apples from the first basket and put them in the second basket, then the weight ratio of the first basket to the second basket is 9:11. How many kilograms of apples are there?
有两筐苹果，共重100千克，如果从第一筐苹果中拿出(1/4)放入第二筐，那么第一筐与第二筐的重量比是9：11，第一筐里原来有多少千克苹果？
<gadget id="calculator">9 + 11</gadget>
<output>20</output>

<gadget id="calculator">9 / 20</gadget>
<output>9/20 = around 0.45</output>

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

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(9/20) / (3/4)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">100 * (3/5)</gadget>
<output>60</output>

<result>60</result>