If the numerator of a simplest fraction is reduced by 5 times and the denominator is enlarged by 9 times, it is (2/27). What is the original fraction?
一个最简分数的分子缩小5倍，分母扩大9倍后是(2/27)，原分数是多少．
<gadget id="calculator">2 * 5</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>