Xiao Ming reads a story book. He reads (1/5) of the whole book on the first day and 25% of the whole book on the second day. He finds that he reads 8 more pages on the second day than on the first day. Students, you know this How many pages does this storybook have?
小明看一本故事书，第一天看了全书的(1/5)，第二天看了全书的25%，他发现第二天比第一天多看了8页，同学们你知道这本故事书有多少页？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(1/4) - (1/5)</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">8 / (1/20)</gadget>
<output>160</output>

<result>160</result>