For a simple fraction, if its numerator is doubled and its denominator is doubled, it is equal to 1 (1/2). What is the fractional unit of this fraction?
一个最简分数，把它的分子扩大2倍，分母缩小2倍后，等于1(1/2)，这个分数的分数单位是多少．
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<result>1/8 = around 0.125</result>