Find the missing number:
3 6 18 ? 7 8 Choose the correct choice from the following choices
A) 35
B) 36
C) 37
D) 38
E) 39
3*2= 
<gadget id="calculator">3*2</gadget>
<output>6</output>
6   6*2+6= 
<gadget id="calculator">6*2+6</gadget>
<output>18</output>
18   18*2= 
<gadget id="calculator">18*2</gadget>
<output>36</output>
36   36*2+6= 
<gadget id="calculator">36*2+6</gadget>
<output>78</output>
78   we add 6 to product alternately. so blank is replaced by 36   ANSWER:36
<result>B</result>
Find the missing number:
3 6 18 ? 7 8