A conference room in a school is 12 meters long, 8 meters wide, and 4 meters high. The walls and ceiling need to be painted. After deducting the doors and windows of 28 square meters, what is the actual area to be painted?
学校一间会议室，长12米，宽8米，高4米，要粉刷四壁和顶棚，扣除门窗28平方米，要粉刷的实际面积是多少？
<gadget id="calculator">12 * 8</gadget>
<output>96</output>

<gadget id="calculator">12 * 4</gadget>
<output>48</output>

<gadget id="calculator">8 * 4</gadget>
<output>32</output>

<gadget id="calculator">48 + 32</gadget>
<output>80</output>

<gadget id="calculator">80 * 2</gadget>
<output>160</output>

<gadget id="calculator">160 - 28</gadget>
<output>132</output>

<gadget id="calculator">96 + 132</gadget>
<output>228</output>

<result>228</result>