Fold a 3-meter-long ribbon in half twice, what is the length of each section in meters?
把一张3米长的彩带对折2次，每段长是多少米．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<result>3/4 = around 0.75</result>