If a*b=a**2+b, then (1*2)*2=how much.
若a*b=a**2+b，则(1*2)*2=多少．
<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">9 + 2</gadget>
<output>11</output>

<result>11</result>