Zhang is twice as old as Li.  Li is 12 years old.  Zhang's brother Jung is 2 years older than Zhang.  How old is Jung?
Zhang is 2 * 12 years old = 
<gadget id="calculator">2*12</gadget>
<output>24</output>
24 years old.
Jung is 2 years + 24 years = 
<gadget id="calculator">2+24</gadget>
<output>26</output>
26 years old.

<result>26</result>