Can anyhow help me with an easy solution for this
3, 4, 81, 4, 5, 121, 6, 7, ?
Choose the correct choice from the following answers:	A) 144	B) 121	C) 256	D) 225	E) 376
3, 4, 81, 4, 5, 121, 6, 7, ?     3+4= 
<gadget id="calculator">  3+4</gadget>
<output>7</output>
7 and   7+2= 
<gadget id="calculator">  7+2</gadget>
<output>9</output>
9 and 9^2=81   4+5= 
<gadget id="calculator">4+5</gadget>
<output>9</output>
9 and   9+2= 
<gadget id="calculator">  9+2</gadget>
<output>11</output>
11 and 11^2=121   6+7= 
<gadget id="calculator">6+7</gadget>
<output>13</output>
13 and   13+2= 
<gadget id="calculator">  13+2</gadget>
<output>15</output>
15 and 15^2=225   ANSWER:225
<result>D</result>
Can anyhow help me with an easy solution for this
3, 4, 81, 4, 5, 121, 6, 7, ?