If,
1 * 3 * 5 = 16
3 * 5 * 7 = 38
Then find,
5 * 7 * 9 =?  Pick one:  A) 89  B) 49  C) 68  D) 38  E) 55
68   68   (9 * 7) + 5= 
<gadget id="calculator">(9 * 7) + 5</gadget>
<output>68</output>
68
<result>C</result>
If,
1 * 3 * 5 = 16
3 * 5 * 7 = 38
Then find,
5 * 7 * 9 =?