If the numerator of a simplest fraction is enlarged by 7 times, 3(8/9) is obtained. What is the simplest fraction?
把一个最简分数的分子扩大7倍，得3(8/9)，这个最简分数是多少．
<gadget id="calculator">35 / 7</gadget>
<output>5</output>

<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<result>5/9 = around 0.555556</result>