The three brothers jointly bought a "Chinese Dictionary", in which the money paid by the eldest accounted for (5/12), and the money paid by the third child was equivalent to (2/3) the average amount of money paid by the eldest and second child, which was less than the second child. 5.5 yuan. Find the unit price of "Chinese Dictionary".
兄弟三人合买一本《中华大辞典》，其中老大出的钱占(5/12)，老三出的钱相当于老大老二平均钱数的(2/3)，比老二少用5.5元．求《中华大辞典》的单价．
<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">3 + 3 + 2</gadget>
<output>8</output>

<gadget id="calculator">2 / 8</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (5/12) - (1/4) - (1/4)</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">5.5 / (1/12)</gadget>
<output>66</output>

<result>66</result>