For a simplest fraction, the value obtained after reducing its numerator by 2 times and enlarging its denominator by 2 times is (1/8). What is the original number of this simplest fraction?
一个最简分数，把它的分子缩小2倍、分母扩大2倍后得到的值是(1/8)，这个最简分数原来是多少．
<gadget id="calculator">1 * 2</gadget>
<output>2</output>

<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">2 / 4</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>