Brittany is older than Rebecca by 3 years, who is 25. Brittany goes on a 4-year vacation. How old is Brittany when she returns from her vacation?
Brittany is 25+3 = 
<gadget id="calculator">25+3</gadget>
<output>28</output>
28 years old.
Brittany is 28+4 = 
<gadget id="calculator">28+4</gadget>
<output>32</output>
32 years when she returns from her vacation.

<result>32</result>