Jen buys and sells candy bars. She buys candy bars for 80 cents each and sells them for a dollar each. If she buys 50 candy bars and sells 48 of them, how much profit does she make in cents?
It costs Jen 80 * 50 = 
<gadget id="calculator">80*50</gadget>
<output>4_000</output>
4000 cents to buy 50 candy bars.
Since a dollar is 100 cents, she earns 48 * 100 = 
<gadget id="calculator">48*100</gadget>
<output>4_800</output>
4800 cents by selling 48 of them.
Thus her total profit is 4800 - 4000 = 
<gadget id="calculator">4800-4000</gadget>
<output>800</output>
800 cents.

<result>800</result>