Obviously reading the book "Centennial Olympics", I read 45 pages on the first day, read the whole book (1/2) on the second day, and read more pages on the second day than on the first day (1/5). How many pages does this book have?
明明看《百年奥运》这本书，第一天看了45页，第二天看了全书的(1/2)，第二天看的页数比第一天多(1/5)．这本书一共有多少页？
<gadget id="calculator">1 / 5</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 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(6/5) / (1/2)</gadget>
<output>12/5 = around 2.4</output>

<gadget id="calculator">45 * (12/5)</gadget>
<output>108</output>

<result>108</result>