Xiaohong reads a story book. I read 45 pages on the first day, and (1/5) of the whole book on the second day. The number of pages I read on the second day was exactly 20% more than that on the first day. How many pages does this book have?
小红看一本故事书．第一天看了45页，第二天看了全书的(1/5)，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 / 5</gadget>
<output>1/5 = around 0.2</output>

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

<gadget id="calculator">45 * 6</gadget>
<output>270</output>

<result>270</result>