When Li Ming reads a book, he reads 55 pages on the first day and 65 pages on the second day. The number of pages he read in two days accounts for exactly 60% of the total number of pages. How many pages does this book have?
李明看一本书，第一天看了55页，第二天看了65页，两天看的页数正好占总页数的60%，这本书共有多少页？
<gadget id="calculator">55 + 65</gadget>
<output>120</output>

<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">120 / (3/5)</gadget>
<output>200</output>

<result>200</result>