(4/5) kg of rapeseed can extract (1/2) kg of oil, how many kg of oil can be extracted per kg of rapeseed? What is the column
(4/5)千克菜籽可榨油(1/2)千克，每千克菜籽可榨油多少千克？列式为多少
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

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

<gadget id="calculator">(1/2) / (4/5)</gadget>
<output>5/8 = around 0.625</output>

<result>5/8 = around 0.625</result>