(3/7) meter long iron rod has a mass of (2/3) kilograms, so what is the mass of a 1 meter long iron rod in kilograms? What is the column
(3/7)米长的铁棒质量是(2/3)千克，那么1米长的铁棒的质量是多少千克？列式是多少
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">(2/3) / (3/7)</gadget>
<output>14/9 = around 1.555556</output>

<result>14/9 = around 1.555556</result>