The school needs to repaint the perimeter and ceiling of the classroom. It is known that the length of the classroom is 8m, the width is 6m, the height is 3m, and the area of the doors and windows is 11 square meters. If paint costs 6 yuan per square meter, how much will it cost to paint this classroom?
学校要粉刷新教室四周和天花，己知教室的长是8m，宽是6m，高是3m，门窗的面积是11平方米．如果每平方米需要花6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">8 * 3</gadget>
<output>24</output>

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

<gadget id="calculator">24 + 18</gadget>
<output>42</output>

<gadget id="calculator">42 * 2</gadget>
<output>84</output>

<gadget id="calculator">84 - 11</gadget>
<output>73</output>

<gadget id="calculator">48 + 73</gadget>
<output>121</output>

<gadget id="calculator">121 * 6</gadget>
<output>726</output>

<result>726</result>