Hallie had dance practice for 1 hour on Tuesdays and 2 hours on Thursdays.  On Saturdays, she had dance practice that lasted twice as long as Tuesday's night class.  How many hours a week did she have dance practice?
She had practice for 1 hour on Tuesday and 2 hours on Thursday so she practiced for 1+2 = 
<gadget id="calculator">1+2</gadget>
<output>3</output>
3 hours.
Saturday's class was twice as long as Tuesday's so she danced 2*1 = 
<gadget id="calculator">2*1</gadget>
<output>2</output>
2 hours on Saturday.
In one week she danced 3 hours on the weekdays and 2 hours on the weekend for a total of 3+2 = 
<gadget id="calculator">3+2</gadget>
<output>5</output>
5 hours.

<result>5</result>