Xiao Ming reads a book. He reads (3/8) of the whole book on the first day, (2/3) on the second day, and starts from page 91 on the third day. Page?
小明读一本书，第一天读了全书的(3/8)，第二天读的是第一天的(2/3)，第三天从91页开始读，这本书一共有多少页？
<gadget id="calculator">91 - 1</gadget>
<output>90</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(3/8) * (2/3)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(3/8) + (1/4)</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">90 / (5/8)</gadget>
<output>144</output>

<result>144</result>