Xiaohong reads a story book. She reads 35 pages on the first day and 1/4 of the whole book on the second day. How many pages.
小红看一本故事书，第一天看了35页，第二天看了全书的(1/4)，第二天看的页数恰好比第一天多20%，这本书一共有多少页．
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

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

<gadget id="calculator">(6/5) / (1/4)</gadget>
<output>24/5 = around 4.8</output>

<gadget id="calculator">35 * (24/5)</gadget>
<output>168</output>

<result>168</result>