The school classroom is 8m long, 6m wide, and 3m high. The total area of the doors and windows is 24m**2. If the roof and surrounding areas are to be painted with paint, if it costs 15 yuan per square meter, how much is the total cost?
学校教室长8m，宽6m，高3m，门窗的面积共24m**2，要在它的屋顶和四周刷上涂料，如果每平方米需15元，一共需多少元？
<gadget id="calculator">8 * 3 * 2</gadget>
<output>48</output>

<gadget id="calculator">6 * 3 * 2</gadget>
<output>36</output>

<gadget id="calculator">8 * 6</gadget>
<output>48</output>

<gadget id="calculator">48 - 24</gadget>
<output>24</output>

<gadget id="calculator">48 + 36 + 24</gadget>
<output>108</output>

<gadget id="calculator">15 * 108</gadget>
<output>1_620</output>

<result>1_620</result>