The manager distributes bonuses to four employees A, B, C, and D. A gets 1/2 of the total of the other three people, B gets 1/3 of the other three people, C gets 1/4 of the other three people, and D gets 520 Yuan. How much is the bonus for four people?
经理给甲、乙、丙、丁四位员工分发奖金．甲分得的是另外三人总数的(1/2)，乙分得的是另外三人的(1/3)，丙分得的是另外三人的(1/4)，丁分得520元．四人共分奖金多少元？
<gadget id="calculator">1 + 2</gadget>
<output>3</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 + 3</gadget>
<output>4</output>

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

<gadget id="calculator">1 + 4</gadget>
<output>5</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/3) - (1/4) - (1/5)</gadget>
<output>13/60 = around 0.216667</output>

<gadget id="calculator">520 / (13/60)</gadget>
<output>2_400</output>

<result>2_400</result>