Xiaohong reads a book. On the first day, she reads half of the book and more than 3 pages. On the second day, she reads the remaining half and less than 3 pages. On the third day, she reads the remaining 48 pages. How many pages does this book have?
小紅看一本書，第一天讀了全書的一半多3頁，第二天讀了剩下的一半少3頁，第三天讀完餘下的48頁．這本書共有多少頁？
<gadget id="calculator">48 - 3</gadget>
<output>45</output>

<gadget id="calculator">45 * 2</gadget>
<output>90</output>

<gadget id="calculator">90 + 3</gadget>
<output>93</output>

<gadget id="calculator">93 * 2</gadget>
<output>186</output>

<result>186</result>