A piece of land (1/3) hectares, of which (1/6) pine saplings, (1/5) poplar saplings, and the remaining fruit saplings. What percentage of the land do fruit saplings occupy?
一块地(1/3)公顷，其中(1/6)育松树苗，(1/5)育杨树苗，剩余的育果树苗．果树苗占这块地的几分之几？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/6) - (1/5)</gadget>
<output>19/30 = around 0.633333</output>

<result>19/30 = around 0.633333</result>