Reading a story book, read (3/8) of the total pages of the book on the first day, and (1/3) of the total pages of the book on the second day, and read a total of 340 pages in two days. How many pages are there in the book?
读一本故事书，第一天读了全书总页数的(3/8)，第二天读了全书总页数的(1/3)，两天共读340页，全书共多少页？
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(3/8) + (1/3)</gadget>
<output>17/24 = around 0.708333</output>

<gadget id="calculator">340 / (17/24)</gadget>
<output>480</output>

<result>480</result>