The length of a classroom is 8 meters, the width is 6 meters, and the height is 4 meters. The four walls and the flat roof of the classroom need to be painted (excluding the doors, windows and blackboards, the area is 24 square meters). A paint fee of 6 yuan is required per square meter. How much is the paint fee at least?
一个教室的长是8米，宽是6米，高是4米，要粉刷教室的四壁和平顶(除去门窗和黑板面积24平方米)．每平方米需要6元的涂料费，至少需要涂料费多少元？
<gadget id="calculator">8 * 6</gadget>
<output>48</output>

<gadget id="calculator">8 * 4 * 2</gadget>
<output>64</output>

<gadget id="calculator">6 * 4 * 2</gadget>
<output>48</output>

<gadget id="calculator">48 + 64 + 48</gadget>
<output>160</output>

<gadget id="calculator">160 - 24</gadget>
<output>136</output>

<gadget id="calculator">136 * 6</gadget>
<output>816</output>

<result>816</result>