A batch of apples is sold (2/7), exactly 4 boxes of more than 12 kg are sold, and the remaining apples just fill 11 boxes. How many kilograms are there in total in this batch of apples?
一批苹果卖出(2/7)，正好卖出4箱多12千克，剩下的苹果刚好装满11箱．这批苹果一共有多少千克？
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">1 - (2/7)</gadget>
<output>5/7 = around 0.714286</output>

<gadget id="calculator">11 / (5/7)</gadget>
<output>77/5 = around 15.4</output>

<gadget id="calculator">(77/5) - 11 - 4</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">12 / (2/5)</gadget>
<output>30</output>

<gadget id="calculator">30 * 15</gadget>
<output>450</output>

<gadget id="calculator">450 + 12</gadget>
<output>462</output>

<result>462</result>