A rail is (4/5) meters long and weighs (1/25) tons. What is the formula for the length of 1 ton in meters
一种钢轨(4/5)米长，重(1/25)吨．1吨长几米算式是多少
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 / 25</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">(4/5) / (1/25)</gadget>
<output>20</output>

<result>20</result>