When Li Li reads a book, he reads (3/8) of the total pages on the first day, and (1/4) of the total pages on the second day, and reads 35 pages less on the second day than on the first day. How many pages are there in total?
李力看一本书，第一天看了总页数的(3/8)，第二天看了总页数的(1/4)，第二天比第一天少看35页，这本书一共多少页？
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

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

<gadget id="calculator">(3/8) - (1/4)</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">35 / (1/8)</gadget>
<output>280</output>

<result>280</result>