Uncle Wang harvested 2,800 kilograms of corn this year. The soybeans are corn (3/7) and peanuts (6/7). How many kilograms of peanuts did Uncle Wang harvest this year?
王大伯今年收玉米2800千克，大豆是玉米的(3/7)，同时又是花生的(6/7)．王大伯今年收获花生多少千克？
<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">6 / 7</gadget>
<output>6/7 = around 0.857143</output>

<gadget id="calculator">(3/7) / (6/7)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">2_800 * (1/2)</gadget>
<output>1_400</output>

<result>1_400</result>