The numerator of a simplest fraction is reduced by 5 times, and the denominator is enlarged by 9 times (2/27), what is the original fraction?
一个最简分数分子缩小5倍，分母扩大9倍后是(2/27)，原分数是多少？
<gadget id="calculator">2 / 27</gadget>
<output>2/27 = around 0.074074</output>

<gadget id="calculator">5 * 9</gadget>
<output>45</output>

<gadget id="calculator">(2/27) * 45</gadget>
<output>10/3 = around 3.333333</output>

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