The school needs to paint the new classrooms. It is known that the length of the classroom is 8 meters, the width is 6 meters, and the height is 3 meters. The area after deducting the doors and windows is 11.4 square meters. If the paint fee is 4 yuan per square meter, how much will it cost to paint the classroom?
学校要粉刷新教室．已知教室的长是8米，宽6米，高是3米，扣除门窗的面积11.4平方米，如果每平方米需要花4元涂料费，粉刷这个教室需要花费多少元？
<gadget id="calculator">8 * 6</gadget>
<output>48</output>

<gadget id="calculator">6 * 3</gadget>
<output>18</output>

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

<gadget id="calculator">48 + 18 + 24</gadget>
<output>90</output>

<gadget id="calculator">90 * 2</gadget>
<output>180</output>

<gadget id="calculator">180 - 48 - 11.4</gadget>
<output>120.6</output>

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

<result>482.4</result>