A 2 meter long rope is folded in half and then folded in half again, what is the length of each part in meters?
把一根2米长的绳子对折后又对折，这时每一份的长度有多少米．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">2 * (1/2) * (1/2)</gadget>
<output>1/2 = around 0.5</output>

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