The store shipped several baskets of apples and pears, among which apples accounted for (11/20) of the total number of fruits. Later, 9 baskets of apples were sold, and 9 baskets of pears were shipped in. At this time, the number of baskets of pears accounted for (12/25) of the total number of fruits , how many baskets of these fruits are there?
商店运来若干筐苹果和梨，其中苹果占水果总数的(11/20)，后来卖出9筐苹果，又运进9筐梨，这时梨的筐数占水果总数的(12/25)，这些水果共有多少筐？
<gadget id="calculator">12 / 25</gadget>
<output>12/25 = around 0.48</output>

<gadget id="calculator">11 / 20</gadget>
<output>11/20 = around 0.55</output>

<gadget id="calculator">1 - (11/20)</gadget>
<output>9/20 = around 0.45</output>

<gadget id="calculator">(12/25) - (9/20)</gadget>
<output>3/100 = around 0.03</output>

<gadget id="calculator">9 / (3/100)</gadget>
<output>300</output>

<result>300</result>