Cut the 5-meter-long iron wire into 8 sections on average, each section is ((())/(())) of this iron wire, how many sections are (3/8) of this iron wire, and each section is (( ())/(()))rice.
把5米长的铁丝平均截成8段，每段是这根铁丝的((())/(()))，多少段是这根铁丝的(3/8)，平均每段是((())/(()))米．
<result>3</result>