There is an experimental field covering an area of 2 hectares. (3/10) of it is planted with corn, (1/10) is planted with peanuts, and the rest is planted with soybeans. What percentage of the experimental field is planted with soybeans?
有一块占地2公顷的试验田，它的(3/10)种玉米，(1/10)种花生，其余的种黄豆，种黄豆的部分占这块试验田的几分之几？
<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">(3/10) + (1/10)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<result>3/5 = around 0.6</result>