stack of 6 pennies is as high as a stack of 5 two-cent coins, a stack of 4 pennies is as high as a stack of 3 five-cent coins, and a stack of one-cent, two-cent, and five-cent coins is used Form a cylinder, and the three cylinders are the same height, share 124 coins, ask: how much is the value of these coins?
6枚一分硬币叠在一起与5枚二分硬币叠在一起一样高，4枚一分硬币叠在一起与3枚五分硬币叠在一起一样高，用一分、二分、五分硬币各叠成一个圆柱体，并且三个圆柱体一样高，共用了124枚硬币，问：这些硬币的价值为多少元？
<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 * 124 * (12/31)</gadget>
<output>48</output>

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

<gadget id="calculator">2 * 124 * (10/31)</gadget>
<output>80</output>

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

<gadget id="calculator">5 * 124 * (9/31)</gadget>
<output>180</output>

<gadget id="calculator">48 + 80 + 180</gadget>
<output>308</output>

<gadget id="calculator">308 / 100</gadget>
<output>77/25 = around 3.08</output>

<result>77/25 = around 3.08</result>