(2/5) of the total afforestation area in Hubin Village will be planted with pines and cypresses, (1/3) will be planted with willows, and the rest will be planted with fruit trees. What percentage of the total area do fruit trees occupy?
湖滨村绿化造林总面积的(2/5)栽松柏，(1/3)栽杨柳，剩下的栽果树．果树的面积占总面积的几分之几？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (2/5) - (1/3)</gadget>
<output>4/15 = around 0.266667</output>

<result>4/15 = around 0.266667</result>