Claire makes a 3 egg omelet every morning for breakfast.  How many dozens of eggs will she eat in 4 weeks?
She eats 3 eggs every day and there are 7 days in a week so she eats 3*7 = 
<gadget id="calculator">3*7</gadget>
<output>21</output>
21 eggs a week.
After 4 weeks she will have eaten 4*21 = 
<gadget id="calculator">4*21</gadget>
<output>84</output>
84 eggs.
There are 12 eggs in 1 dozen and she'll eat 84 eggs so that's 84/12 = 
<gadget id="calculator">84/12</gadget>
<output>7</output>
7 dozen eggs.

<result>7</result>