Jiang Yue, Li Qingzhao, Liu Pan, and Li Lizhi met at a cake shop and sold 6 identical small cakes to eat equally. Jiang Yue took out the money for 3 cakes, and Li Qingzhao took out the money for 2 cakes. Liu Pan only took out the money for one cake, but Li Lizhi didn't bring any money. After finishing the calculation, Li Lizhi should take out 1.2 yuan, and how much should Jiang Yue get back.
蒋悦、李清照、刘盼、李荔枝相约来到一家蛋糕店，共卖了6个一样的小蛋糕平均分着吃，蒋悦拿出3个蛋糕的钱，李清照拿出2个蛋糕的钱，刘盼只拿出1个蛋糕的钱，李荔枝没带钱．吃完后一算，李荔枝应该拿出1.2元，蒋悦应收回多少元．
<gadget id="calculator">6 / 4</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">1.2 / (3/2)</gadget>
<output>0.8</output>

<gadget id="calculator">0.8 / 2</gadget>
<output>0.4</output>

<gadget id="calculator">3 * 0.4</gadget>
<output>1.2</output>

<result>1.2</result>