Divide 5 meters of iron wire into 7 parts on average, how many meters is each part?
把5米的铁丝平均分7份，每份长多少米．
<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>

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