A piece of land (3/4) hectares, of which (1/4) is planted with soybeans, (1/5) is planted with potatoes, and the rest is planted with peanuts. What percentage of the land is planted with peanuts?
一块地(3/4)公顷，其中(1/4)种大豆，(1/5)种土豆，其余种花生，种花生的面积占这块地的几分之几？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

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

<gadget id="calculator">1 - (1/4) - (1/5)</gadget>
<output>11/20 = around 0.55</output>

<result>11/20 = around 0.55</result>