Xiao Ming reads a book, the ratio of the number of pages he has read to the number of pages he has not read is 3:5, and he has read the whole book ((())/(())).
小明看一本书，已读的页数和未读的页数比是3：5，已读了全书的((())/(()))．
<gadget id="calculator">3 + 5</gadget>
<output>8</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<result>3/8 = around 0.375</result>