The price of type A sugar is 9 yuan per kilogram, the price of type B sugar is 7.2 yuan per kilogram, and the price of type C sugar is 8 yuan per kilogram. Now mix 4 kg of sugar A, 5 kg of sugar B, and 3 kg of sugar C and sell them together. How many kilograms of this mixed candy can be bought for 20 yuan.
甲种糖的价格是每千克9元，乙种糖的价格是每千克7.2元，丙种糖每千克卖8元．现在把甲种糖4千克，乙种糖5千克，丙种糖3千克，混在一起出售．20元钱可以买这种混合糖果多少千克．
<gadget id="calculator">9 * 4</gadget>
<output>36</output>

<gadget id="calculator">7.2 * 5</gadget>
<output>36</output>

<gadget id="calculator">8 * 3</gadget>
<output>24</output>

<gadget id="calculator">36 + 36 + 24</gadget>
<output>96</output>

<gadget id="calculator">4 + 5 + 3</gadget>
<output>12</output>

<gadget id="calculator">96 / 12</gadget>
<output>8</output>

<gadget id="calculator">20 / 8</gadget>
<output>5/2 = around 2.5</output>

<result>5/2 = around 2.5</result>