Xiaoya reads a book. She reads (3/8) of the whole book on the first day and (2/8) of the whole book on the second day.
小亚看一本书，第一天看了全书的(3/8)，第二天看了全书的(2/8)，两天一共看了全书的几分之几？
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">2 / 8</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(3/8) + (1/4)</gadget>
<output>5/8 = around 0.625</output>

<result>5/8 = around 0.625</result>