When Lili reads a book, she reads 25 pages on the first day and 32 pages on the second day, leaving 40% of the book. How many pages does this book have?
丽丽看一本书，第一天看了25页，第二天看了32页，还剩下全书的40%，这本书共有多少页？
<gadget id="calculator">25 + 32</gadget>
<output>57</output>

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">57 / (3/5)</gadget>
<output>95</output>

<result>95</result>