Divide the numerator of a simplest fraction by 5 and multiply the denominator by 9 to get (2/27), what is the original fraction?
把一个最简分数的分子除以5，分母乘9后是(2/27)，则原来的分数是多少．
<gadget id="calculator">5 * 2</gadget>
<output>10</output>

<gadget id="calculator">27 / 9</gadget>
<output>3</output>

<gadget id="calculator">10 / 3</gadget>
<output>10/3 = around 3.333333</output>

<result>10/3 = around 3.333333</result>