Cut a 4-meter-long rope into 8 equal lengths, how many meters is each length?
把一根4米长的绳子剪成等长的8段，每段长多少米．
<gadget id="calculator">4 / 8</gadget>
<output>1/2 = around 0.5</output>

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