A steel product (2/3) meters weighs (4/5) tons, so what is the length in meters if it weighs 1 ton, and what is the column formula
一种钢材(2/3)米重(4/5)吨，那么重1吨长度是多少米，列式是多少
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(2/3) / (4/5)</gadget>
<output>5/6 = around 0.833333</output>

<result>5/6 = around 0.833333</result>