Amanda has to sell 80 tickets in 3 days so she can make enough money to go on vacation. On the first day, she sells 5 of her friends 4 tickets each. On the second day she sells 32 tickets. How many tickets does she need to sell on the third day to meet her goal?
Amanda sells 4 tickets to 5 friends so she sells 4 * 5 = 
<gadget id="calculator">4*5</gadget>
<output>20</output>
20 tickets on her first day.
On her second day, she sells 32 tickets for a total of 20 + 32 = 
<gadget id="calculator">32+20</gadget>
<output>52</output>
52 Tickets so far.
Having 80 tickets as the goal, she needs to sell 80 - 52 = 
<gadget id="calculator">80-52</gadget>
<output>28</output>
28 Tickets on her last day.

<result>28</result>