Xiao Ming reads a book with a total of 150 pages. He read (1/3) of the book on the first day, which is more than the number of pages he read on the second day (1/4). How many pages did he read on the second day?
小明读一本书，共150页，第一天读了这本书的(1/3)，比第二天读的页数多(1/4)，第二天读了多少页？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">(1/3) / (5/4)</gadget>
<output>4/15 = around 0.266667</output>

<gadget id="calculator">150 * (4/15)</gadget>
<output>40</output>

<result>40</result>