When Huang Yu reads a book, he reads (3/8) of the total number of pages on the first day, and reads 7 pages less than (3/8) of the total number of pages on the second day, and the remaining pages just account for (3/8) of the total number of pages. 8) How many pages are there in this book?
黄宇看一本书，第一天看了总页数的(3/8)，第二天看的比总数的(3/8)少7页，剩下的刚好占页数的(3/8)，这本书一共多少页？
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">(3/8) - 1</gadget>
<output>-5/8 = around -0.625</output>

<gadget id="calculator">(3/8) + (3/8) + (-5/8)</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">7 / (1/8)</gadget>
<output>56</output>

<result>56</result>