For a fraction, the numerator is reduced by 2 times and the denominator is enlarged by 3 times. After simplification, it is (1/12). What is the fraction?
一个分数，分子缩小2倍，分母扩大3倍，化简后是(1/12)，这个分数是多少．
<gadget id="calculator">1 * 2</gadget>
<output>2</output>

<gadget id="calculator">12 / 3</gadget>
<output>4</output>

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

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