Marisa gets $5 as pocket money every day from her parents. She buys 4 lollipops worth 25 cents each every day and saves the change in her piggy bank. How much money does she put in her piggy bank if she saves for 5 days?
If each lollipop costs 25 cents, 4 lollipops cost 4 * 25 cents = 
<gadget id="calculator">4*25</gadget>
<output>100</output>
100 cents.
Since 100 cents = $1 she spends $1 everyday.
Her savings everyday is $5 - $1 = $
<gadget id="calculator">5-1</gadget>
<output>4</output>
4.
If she saves $4 every day for 5 days, she will have $4 * 5 = $
<gadget id="calculator">4*5</gadget>
<output>20</output>
20.

<result>20</result>