Janine read 5 books last month. This month, she read twice as many books. If each book has 10 pages, how many pages did Janine read in two months?
Janine read 5 x 2 = 
<gadget id="calculator">5*2</gadget>
<output>10</output>
10 books this month.
So, she read a total of 5 + 10 = 
<gadget id="calculator">5+10</gadget>
<output>15</output>
15 books.
Therefore, she read 15 x 10 = 
<gadget id="calculator">15*10</gadget>
<output>150</output>
150 pages in all.

<result>150</result>