Among the three fractions (1/2), (1/4), (1/8), what is the largest.
在(1/2)、(1/4)、(1/8)三个分数中，最大的是多少．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

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