If 5 yuan buys 4 kilograms of cabbage, how many kilograms of cabbage can 1 yuan buy?
5元钱买4千克白菜，1元钱可以买多少千克白菜．
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<result>4/5 = around 0.8</result>