Given a 7-day week, how much does Alex charge for 2 weeks of tutoring if she charges $12 per day?
A week has 7 days, therefore 2 weeks have 2*7= 
<gadget id="calculator">2*7</gadget>
<output>14</output>
14 days.
If Alex charges $12 per day, then in $14 days she would charge $12*14 = $
<gadget id="calculator">12*14</gadget>
<output>168</output>
168.

<result>168</result>