If A*B=A*B+2B, then 4*3=how much.
如果A※B=A*B+2B，那么4※3=多少．
<gadget id="calculator">4 * 3</gadget>
<output>12</output>

<gadget id="calculator">2 * 3</gadget>
<output>6</output>

<gadget id="calculator">12 + 6</gadget>
<output>18</output>

<result>18</result>