There are 280 kilograms of apples in the supermarket. The ratio of the quantity sold on the first day to the total quantity is 3:7, and the apples sold on the second day are the first day (5/6). How many kilograms are sold on the second day?
超市有280千克苹果，第一天卖的数量与总数量的比是3：7，第二天卖的是第一天的(5/6)，第二天卖了多少千克？
<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">(3/7) * (5/6)</gadget>
<output>5/14 = around 0.357143</output>

<gadget id="calculator">280 * (5/14)</gadget>
<output>100</output>

<result>100</result>