While planning to finish reading a 140-page book in one week, Jessy initially decides to read 3 times daily, 6 pages each time, every day of the week. How many more pages should she read per day to actually achieve her goal?
To achieve her goal, she must read 140/7 = 
<gadget id="calculator">140/7</gadget>
<output>20</output>
20 pages per day.
She planned to read 3 * 6 = 
<gadget id="calculator">3*6</gadget>
<output>18</output>
18 pages daily.
She must read 20 - 18 = 
<gadget id="calculator">20-18</gadget>
<output>2</output>
2 more pages per day.

<result>2</result>