Xiaohong reads an 80-page story book. On the first day, she reads 1/5 of the whole book. On the second day, she reads 4 more pages than on the first day. What fraction of the whole book is read on the second day?
小红看一本80页的故事书，第一天看了全书的(1/5)，第二天比第一天多看4页，第二天看了全书的几分之几？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">80 * (1/5)</gadget>
<output>16</output>

<gadget id="calculator">16 + 4</gadget>
<output>20</output>

<gadget id="calculator">20 / 80</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>