Type A sugar is 8.8 yuan per kilogram, and type B sugar is 7.2 yuan per kilogram. When mixing 5 kilograms of sugar A with how many kilograms of sugar B, can the mixed sugar be 8.2 yuan per kilogram?
甲种糖每千克8.8元，乙种糖每千克7.2元，每5千克甲种糖与多少千克乙种糖混合，能使混合糖每千克8.2元？
<gadget id="calculator">8.8 * 5</gadget>
<output>44</output>

<gadget id="calculator">5 * 8.2</gadget>
<output>41</output>

<gadget id="calculator">44 - 41</gadget>
<output>3</output>

<gadget id="calculator">8.2 - 7.2</gadget>
<output>1</output>

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

<result>3</result>