Sawn a 3-meter-long piece of wood into 4 sections on average, and each section accounts for ((())/(())) of the total length. How many meters is each section?
把3米长的木料，平均锯成4段，每段占全长的((())/(()))，每段长多少米．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 / (1/4)</gadget>
<output>4</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

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