Set a※b=a**2+2b, how much is 5※(2※8)=.
设定a※b=a**2+2b，那5※(2※8)=多少．
<gadget id="calculator">5 ** 2</gadget>
<output>25</output>

<gadget id="calculator">2 ** 2</gadget>
<output>4</output>

<gadget id="calculator">2 * 8</gadget>
<output>16</output>

<gadget id="calculator">4 + 16</gadget>
<output>20</output>

<gadget id="calculator">2 * 20</gadget>
<output>40</output>

<gadget id="calculator">25 + 40</gadget>
<output>65</output>

<result>65</result>