(1/3) of a book is 48 pages, how many pages are (5/8) of this book.
一本书的(1/3)是48页，这本书的(5/8)是多少页．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">48 / (1/3)</gadget>
<output>144</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

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

<result>90</result>