Folding in half: The circular paper is folded into 2 parts of the same size, and each part is equal to the circular paper.
对折：圆形纸片被折成了同样大小的2部分，每一部分都是圆形纸片的多少．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

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