Jenn is saving up money to buy a bike. She has 5 jars full of quarters. Each jar can hold 160 quarters. If the bike costs 180 dollars, how much money will she have left over after buying it?
Jenn has 5 * 160 = 
<gadget id="calculator">5*160</gadget>
<output>800</output>
800 quarters.
The quarters are worth 800 * 0.25 = 
<gadget id="calculator">800*0.25</gadget>
<output>200</output>
200 dollars.
After buying the bike she will have 200 - 180 = 
<gadget id="calculator">200-180</gadget>
<output>20</output>
20 dollars left.

<result>20</result>