An orchard with an area of (4/5) hectares, of which (2/5) is planted with apple trees, (1/4) is planted with pear trees, and the rest are planted with peach trees. The area of peach trees is a fraction of the land Several?
一块面积是(4/5)公顷的果树园，其中的(2/5)种苹果树，(1/4)种梨树，其余种桃树，桃树的面积是这块地的几分之几？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (2/5) - (1/4)</gadget>
<output>7/20 = around 0.35</output>

<result>7/20 = around 0.35</result>