We have learned +, -, *, / four operations. It is now stipulated that "*" is a new operation, and A*B means (A+2)B. Such as: 3*5=(3+2)*5=25. Then 9*9=how much.
我们学过+、-、*、/四种运算．现在规定"*"是一种新运算，A*B表示(A+2)B．如：3*5=(3+2)*5=25．那么9*9=多少．
<gadget id="calculator">9 + 2</gadget>
<output>11</output>

<gadget id="calculator">11 * 9</gadget>
<output>99</output>

<result>99</result>