Xiaoli reads a book, she reads (1/4) of it on the first day, 20% of it on the second day, and 66 pages on the third day, and she just finished it. How many more pages did you read on the first day than on the second day?
小丽看一本书，第一天看了它的(1/4)，第二天看了它的20%，第三天看了66页，正好看完．第一天比第二天多看几页？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/4) - (1/5)</gadget>
<output>11/20 = around 0.55</output>

<gadget id="calculator">66 / (11/20)</gadget>
<output>120</output>

<gadget id="calculator">(1/4) - (1/5)</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">120 * (1/20)</gadget>
<output>6</output>

<result>6</result>