Three children, A, B, and C, go to buy ice cream. If they use the money brought by A to buy three ice creams, the difference is 0.63 yuan; if they use the money brought by B to buy three ice creams, the difference is 0.8 yuan; If the money is used to buy three ice creams, it will be 0.27 yuan more; it is known that C has 0.41 yuan, so how much does it cost to buy one ice cream.
甲、乙、丙三个小朋友去买雪糕，如果用甲带的钱去买三根雪糕，还差0.63元；如果用乙带的钱去买三根雪糕，还差0.8元；如果用三个人带的钱去买三根雪糕，就多了0.27元；已知丙带了0.41元，那么买一根雪糕要用多少元．
<gadget id="calculator">0.41 - 0.27</gadget>
<output>0.14</output>

<gadget id="calculator">0.8 - 0.14</gadget>
<output>0.66</output>

<gadget id="calculator">0.66 + 0.63</gadget>
<output>1.29</output>

<gadget id="calculator">1.29 / 3</gadget>
<output>0.43</output>

<result>0.43</result>