The wise boy has 13.2 yuan of pocket money. If he gives 1/12 of his own pocket money to his younger brother, then the two have the same amount of money. How much pocket money does the younger brother have?
智慧小子有13.2元零用钱，如果他拿出自己零用钱的(1/12)给弟弟，那么两人的钱数相同，弟弟原来有零用钱多少元？
<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">13.2 * (1/12) * 2</gadget>
<output>2.2</output>

<gadget id="calculator">13.2 - 2.2</gadget>
<output>11</output>

<result>11</result>