Define operation: A*B=((A)/2)+((B)/4), given that 3*B=4, then B=how much.
定义运算：A※B=((A)/2)+((B)/4)，已知3※B=4，那么B=多少．
<gadget id="calculator">2 / 1</gadget>
<output>2</output>

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

<gadget id="calculator">4 / 1</gadget>
<output>4</output>

<gadget id="calculator">6 + 4</gadget>
<output>10</output>

<result>10</result>