A fraction, adding 6 to the denominator, becomes (5/14), and subtracting 2 from the denominator, becomes (7/18). What is the original fraction?
一个分数，分母加上6，就变成(5/14)，分母减去2，就变成(7/18)，原来分数是多少．
<gadget id="calculator">92 + 6</gadget>
<output>98</output>

<gadget id="calculator">5 * 98</gadget>
<output>490</output>

<gadget id="calculator">490 / 14</gadget>
<output>35</output>

<gadget id="calculator">35 / 92</gadget>
<output>35/92 = around 0.380435</output>

<result>35/92 = around 0.380435</result>