A stack of 6 pennies is as high as 5 pennies, and 4 pennies are as high as 3 fivecents. If one-cent, two-cent, and five-cent coins are stacked to form three cylinders, and the three cylinders are of the same height, and 155 coins are used in total, what is the value of these coins?
6枚壹分硬币叠在一起与5枚贰分硬币一样高，4枚壹分硬币与3枚伍分硬币一样高．如果分别用壹分、贰分、伍分硬币叠成三个圆柱体，并且三个圆柱体一样高，共用了155枚硬币，这些硬币的币值为多少元．
<gadget id="calculator">12 + 10 + 9</gadget>
<output>31</output>

<gadget id="calculator">12 / 31</gadget>
<output>12/31 = around 0.387097</output>

<gadget id="calculator">1 * 155 * (12/31)</gadget>
<output>60</output>

<gadget id="calculator">10 / 31</gadget>
<output>10/31 = around 0.322581</output>

<gadget id="calculator">2 * 155 * (10/31)</gadget>
<output>100</output>

<gadget id="calculator">9 / 31</gadget>
<output>9/31 = around 0.290323</output>

<gadget id="calculator">5 * 155 * (9/31)</gadget>
<output>225</output>

<gadget id="calculator">60 + 100 + 225</gadget>
<output>385</output>

<gadget id="calculator">385 / 100</gadget>
<output>77/20 = around 3.85</output>

<result>77/20 = around 3.85</result>