14, 28, 20, 40, 32, 64, ...?  Choose the correct answer:
A) 10
B) 25
C) 56
D) 21
E) 36
First, multiply by 2 and then subtract 8.   14   14*2= 
<gadget id="calculator">14*2</gadget>
<output>28</output>
28   28-8= 
<gadget id="calculator">28-8</gadget>
<output>20</output>
20   20*2= 
<gadget id="calculator">20*2</gadget>
<output>40</output>
40   40-8= 
<gadget id="calculator">40-8</gadget>
<output>32</output>
32   32*2= 
<gadget id="calculator">32*2</gadget>
<output>64</output>
64   64-8= 
<gadget id="calculator">64-8</gadget>
<output>56</output>
56   ANSWER:56
<result>C</result>
14, 28, 20, 40, 32, 64, ...?