The length, width, and height of the classroom are 8m, 6m, and 3m respectively, and the area of doors and windows is 11.4m**2. If the paint fee is 4 yuan per square meter, how much will it cost to paint the classroom?
教室长、宽、高分别是8m、6m、3m，门窗面积是11.4m**2，如果每平方米需花4元涂料费，粉刷这教室需要花费多少钱？
<gadget id="calculator">6 * 8</gadget>
<output>48</output>

<gadget id="calculator">6 * 3 * 2</gadget>
<output>36</output>

<gadget id="calculator">8 * 3 * 2</gadget>
<output>48</output>

<gadget id="calculator">48 - 11.4</gadget>
<output>36.6</output>

<gadget id="calculator">48 + 36 + 36.6</gadget>
<output>120.6</output>

<gadget id="calculator">120.6 * 4</gadget>
<output>482.4</output>

<result>482.4</result>