and B read the same book. When A reads half of the book, B reads 48 pages (the respective reading speed remains unchanged), when A reads the whole book, B reads (8/9) of the whole book, how many pages in this book?
甲乙两人看同一本书．甲看了全书的一半时乙看了48页，(各自的看书速度不变)，当甲看完全书时，乙看了全书的(8/9)，这本书共多少页？
<gadget id="calculator">8 / 9</gadget>
<output>8/9 = around 0.888889</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">48 / (8/9) / (1/2)</gadget>
<output>108</output>

<result>108</result>