Kim's dad would buy her 2 candy bars a week.  She would eat 1 candy bar every 4 weeks, saving the rest.  After 16 weeks, how many candy bars did Kim have saved?
Kim got 2 candy bars a week for 16 weeks so she got 2*16 = 
<gadget id="calculator">2*16</gadget>
<output>32</output>
32 candy bars.
She would only eat 1 candy bar every 4 weeks so in 16 weeks she only ate 16/4 = 
<gadget id="calculator">16/4</gadget>
<output>4</output>
4 candy bars.
She saved 32 candy bars and only ate 4 so she still has 32-4 = 
<gadget id="calculator">32-4</gadget>
<output>28</output>
28 candy bars.

<result>28</result>