There are three types of vegetables planted in a vegetable field, among which green vegetables account for (2/5) of this vegetable field, and cabbage occupies (1/5) of this vegetable field. What percentage of this vegetable field are green vegetables and cabbage? The rest is cauliflower, what percentage of the vegetable field is cauliflower?
一块菜地种了三种菜，其中青菜占这块菜地的(2/5)，白菜占这块菜的(1/5)，青菜和白菜占这块菜地的几分之几？其余的是花菜，花菜占这块菜地的几分之几？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<result>2/5 = around 0.4</result>