Xiao Ming finished reading a story book in two days. On the first day, he read (3/8) of the whole book, and what fraction of the whole book did he read on the second day?
小明两天读完一本故事书，第一天读了全书的(3/8)，第二天读了全书的几分之几？
<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>