If A☆B=3A+2B, x☆(4☆2)=50, find x.
如果A☆B=3A+2B，x☆(4☆2)=50，求x．
<gadget id="calculator">3 * 4</gadget>
<output>12</output>

<gadget id="calculator">2 * 2</gadget>
<output>4</output>

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

<gadget id="calculator">2 * 16</gadget>
<output>32</output>

<gadget id="calculator">50 - 32</gadget>
<output>18</output>

<gadget id="calculator">18 / 3</gadget>
<output>6</output>

<result>6</result>