The length of the classroom is 8m, the width is 6m, and the height is 3m. The area after deducting the doors and windows is 12.8 square meters. The paint fee is 5 yuan per square meter. How much does it cost to paint this classroom?
教室的长是8m，宽是6m，高是3m，扣除门窗的面积是12.8平方米，每平方米要花5元的涂料费，粉刷这个教室需花费多少元？
<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 - 12.8</gadget>
<output>119.2</output>

<gadget id="calculator">119.2 * 5</gadget>
<output>596</output>

<result>596</result>