Seventh Middle School Jiaxiang plans to distribute a bonus to the winners of the first, second and third prizes. The bonus of each first prize is twice the bonus of each second prize, and the bonus of each second prize is twice the bonus of each third prize. If there is 1 first prize, 2 second prizes, and 3 third prizes, the bonus for the first prize is 1,200 yuan; if there is 1 first prize, 3 second prizes, and 5 third prizes, So how much is the prize money for the first prize?
七中嘉祥准备将一笔奖金分给一、二、三等奖获得者．每个一等奖的奖金是每个二等奖奖金的2倍，每个二等奖的奖金是每个三等奖奖金的2倍．如果评一等奖1人、二等奖2人、三等奖3人，则一等奖的奖金为1200元；如果评一等奖1人、二等奖3人、三等奖5人，那么一等奖的奖金为多少元？
<gadget id="calculator">1_200 / 2</gadget>
<output>600</output>

<gadget id="calculator">600 * 2</gadget>
<output>1_200</output>

<gadget id="calculator">600 / 2</gadget>
<output>300</output>

<gadget id="calculator">300 * 3</gadget>
<output>900</output>

<gadget id="calculator">1_200 + 1_200 + 900</gadget>
<output>3_300</output>

<gadget id="calculator">1 * 4</gadget>
<output>4</output>

<gadget id="calculator">3 * 2</gadget>
<output>6</output>

<gadget id="calculator">4 + 6 + 5</gadget>
<output>15</output>

<gadget id="calculator">3_300 / 15</gadget>
<output>220</output>

<gadget id="calculator">220 * 4</gadget>
<output>880</output>

<result>880</result>