Bill started reading a book on the first day of April. He read 8 pages every day and by the 12th of April, he had covered two-thirds of the book. How many pages does the book have?
He read 8 pages every day for 12 days for a total of 8*12 = 
<gadget id="calculator">8*12</gadget>
<output>96</output>
96 pages
96 pages is the same as two-thirds of the total number of pages which means: number of pages*(2/3) = 96.
Therefore the total number of pages is 96*(3/2) = 
<gadget id="calculator">96*(3/2)</gadget>
<output>144</output>
144 pages.

<result>144</result>