A story book, Xiaoxiao has read all of it (3/8), and has not read the rest of the book.
一本故事书，笑笑已看了全部的(3/8)，还剩下全书的多少没有看．
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

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

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