There is an extracurricular book, and B reads more pages than A every day (1/4). If A finishes reading this book in 10 days, how many days does B need to finish reading.
有一本课外读物，乙每天读的页数比甲多(1/4)，如果这本书甲10天把它读完，那么乙需多少天读完．
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">(1/10) * (5/4)</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 / (1/8)</gadget>
<output>8</output>

<result>8</result>