The numerator of a fraction is divided by 3, and the denominator is multiplied by 3, the value of the fraction is reduced to the original fraction
一个分数的分子除以3，分母乘3，分数值就缩小到原分数的多少
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) * (1/3)</gadget>
<output>1/9 = around 0.111111</output>

<result>1/9 = around 0.111111</result>