The school needs to repaint the classroom, knowing that the classroom is 8 meters long, 6 meters wide, and 3 meters high, and the area after deducting the doors and windows is 11.4 square meters. If the paint fee is 3 yuan per square meter, how much paint is needed to paint this classroom?
学校要粉刷新教室，以知教室长8米，宽6米，高3米，扣除门窗的面积是11.4平方米．如果每平方米要花3元涂料费，粉刷这个教室需要多少涂料钱？
<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 - 11.4</gadget>
<output>72.6</output>

<gadget id="calculator">48 + 72.6</gadget>
<output>120.6</output>

<gadget id="calculator">120.6 * 3</gadget>
<output>361.8</output>

<result>361.8</result>