Class 1 of the sixth grade needs to paint the classroom. 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 of doors and windows of 12 square meters should be deducted. If it costs 5 yuan for paint per square meter, how much does it cost to paint a classroom?
六年级一班要粉刷教室，已知教室的长8米，宽6米，高3米，要扣除12平方米的门窗面积．如果每平方米要花5元涂料费，粉刷教室需要多少元？
<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 - 12</gadget>
<output>72</output>

<gadget id="calculator">48 + 72</gadget>
<output>120</output>

<gadget id="calculator">120 * 5</gadget>
<output>600</output>

<result>600</result>