Xiao Ming read a story book, read 30% of the total number of pages on the first day, and read 4 pages less than the first day on the second day, leaving 44 pages unread. How many pages does this book have?
小明读一本故事书，第一天读了总页数的30%，第二天比第一天少读了4页，这样剩下44页没读．这本书有多少页？
<gadget id="calculator">44 - 4</gadget>
<output>40</output>

<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 - (3/10) - (3/10)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">40 / (2/5)</gadget>
<output>100</output>

<result>100</result>