A piece of iron wire is 5 meters long, and it is cut into 7 sections on average. The length of each section is in meters, and the length of each section accounts for ((())/(())) of the section of iron wire.
一根铁丝长5米，平均截成7段，每段长多少米，每段长占这段铁丝的((())/(()))．
<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>

<result>5/7 = around 0.714286</result>