The prices of the four kinds of fruit candy are 6 yuan, 7 yuan, 9 yuan, and 12 yuan per 500 grams. 3 kg of assorted sugar is mixed and sold at the average price of the four types of sugar. How much more can the 16 kg of sugar earn?
四种水果糖的价格分别是每500克6元、7元、9元、12元，现将每500克6元和7元的糖各5千克，每500克9元和12元的糖各3千克混合为什锦糖，以四种糖的平均价格出售，这16千克糖可多收入多少元．
<gadget id="calculator">1_000 / 500</gadget>
<output>2</output>

<gadget id="calculator">6 + 7 + 9 + 12</gadget>
<output>34</output>

<gadget id="calculator">34 / 4</gadget>
<output>17/2 = around 8.5</output>

<gadget id="calculator">16 * 2 * (17/2)</gadget>
<output>272</output>

<gadget id="calculator">6 + 7</gadget>
<output>13</output>

<gadget id="calculator">5 * 2 * 13</gadget>
<output>130</output>

<gadget id="calculator">9 + 12</gadget>
<output>21</output>

<gadget id="calculator">3 * 2 * 21</gadget>
<output>126</output>

<gadget id="calculator">130 + 126</gadget>
<output>256</output>

<gadget id="calculator">272 - 256</gadget>
<output>16</output>

<result>16</result>