A 5-meter-long ribbon is folded in half twice, what is the length of each section in meters?
把一根长5米的彩带对折2次，每段长是多少米．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">5 * (1/2) * (1/2)</gadget>
<output>5/4 = around 1.25</output>

<result>5/4 = around 1.25</result>