To paint the perimeter and ceiling of a meeting room with a length of 12 meters, a width of 8 meters and a height of 3 meters, the area of doors and windows is 36 square meters, if the material cost of 1.2 yuan per square meter is used, how much will it cost to paint this meeting room Yuan money?
要粉刷一间长12米，宽8米，高3米的会议室的四周和顶棚，除去门窗面积36平方米，如果每平方米用去1.2元的材料费，粉刷这间会议室要用多少元钱？
<gadget id="calculator">60 - 36</gadget>
<output>24</output>

<gadget id="calculator">96 + 24</gadget>
<output>120</output>

<gadget id="calculator">120 * 1.2</gadget>
<output>144</output>

<result>144</result>