When simplifying a fraction, use 2 twice and 3 once, the result is (5/6), what is the original fraction?
化简一个分数时，用2约了两次，用3约了一次，得到的结果是(5/6)，原分数是多少．
<gadget id="calculator">5 * 2 * 2 * 3</gadget>
<output>60</output>

<gadget id="calculator">6 * 2 * 2 * 3</gadget>
<output>72</output>

<gadget id="calculator">60 / 72</gadget>
<output>5/6 = around 0.833333</output>

<result>5/6 = around 0.833333</result>