Xiaogang reads a novel, and reads (1/9) of the total number of pages every day. After reading for 5 days, there are 48 pages left. How many pages are there in this book?
晓刚读一本小说，每天读总页数的(1/9)，读了5天后还剩48页，这本书共有多少页．
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">(1/9) * 5</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">1 - (5/9)</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">48 / (4/9)</gadget>
<output>108</output>

<result>108</result>