The school needs to paint the new classrooms. It is known that the length of the classroom is 10 meters, the width is 8 meters, the height is 3 meters, and the area after deducting the doors and windows is 11.4 square meters. If it costs 5 yuan for paint per square meter, how much will it cost to paint this classroom?
学校要粉刷新教室．已知教室的长是10米，宽是8米，高是3米，扣除门窗的面积是11.4平方米．如果每平方米需要花5元涂料费，粉刷这个教室需要花费多少元？
<gadget id="calculator">10 * 8</gadget>
<output>80</output>

<gadget id="calculator">10 * 3</gadget>
<output>30</output>

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

<gadget id="calculator">30 + 24</gadget>
<output>54</output>

<gadget id="calculator">54 * 2</gadget>
<output>108</output>

<gadget id="calculator">108 - 11.4</gadget>
<output>96.6</output>

<gadget id="calculator">80 + 96.6</gadget>
<output>176.6</output>

<gadget id="calculator">176.6 * 5</gadget>
<output>883</output>

<result>883</result>