Cilia wants to buy a multi-level dumbbell system.  The first pair of dumbbells are 3 lb weights, the second pair is 5 lb weights and the third is 8 lb pounds.  How much does the entire system weigh?
The first pair of weights weighs 3 lb each so all total they weigh 2*3 = 
<gadget id="calculator">3*2</gadget>
<output>6</output>
6 lbs.
The second pair of weights weigh 5 lbs each so they weigh 2*5 = 
<gadget id="calculator">5*2</gadget>
<output>10</output>
10 lbs.
The third pair of weights weigh 8 lbs each so they weigh 2*8 = 
<gadget id="calculator">8*2</gadget>
<output>16</output>
16lbs.
All total, the entire system of weights weigh 6+10+16 = 
<gadget id="calculator">6+10+16</gadget>
<output>32</output>
32 lbs.

<result>32</result>