If it is stipulated that a*b=((a+4b)/2), then 4*3=how much.
如果规定a※b=((a+4b)/2)，那么4※3=多少．
<gadget id="calculator">4 * 3</gadget>
<output>12</output>

<gadget id="calculator">4 + 12</gadget>
<output>16</output>

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

<result>8</result>