Every time Janet folds her blanket its thickness doubles. If it starts out 3 inches thick, how thick will it be after 4 foldings?
First find how thick the blanket will be after 1 folding: 3 inches * 2 = 
<gadget id="calculator">3*2</gadget>
<output>6</output>
6 inches.
Then find how thick the blanket will be after 2 foldings: 6 inches * 2 = 
<gadget id="calculator">6*2</gadget>
<output>12</output>
12 inches.
Then find how thick the blanket will be after 3 foldings: 12 inches * 2 = 
<gadget id="calculator">12*2</gadget>
<output>24</output>
24 inches.
Then find how thick the blanket will be after 4 foldings: 24 inches * 2 = 
<gadget id="calculator">24*2</gadget>
<output>48</output>
48 inches.

<result>48</result>