There is a piece of land in which (6/7) is planted with corn, and now (1/4) of the corn field is to be replanted with soybeans. What percentage of the total area of the land is soybeans?
有一块地，其中的(6/7)种玉米，现在要把玉米地的(1/4)改种黄豆，黄豆地占这块地总面积的几分之几？
<gadget id="calculator">6 / 7</gadget>
<output>6/7 = around 0.857143</output>

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

<gadget id="calculator">(6/7) * (1/4)</gadget>
<output>3/14 = around 0.214286</output>

<result>3/14 = around 0.214286</result>