A classroom is 8 meters long, 6 meters wide, and 3.5 meters high. Paint the ceiling and four walls of the classroom. The area excluding the door and the blackboard is 22 square meters. What is the area of the classroom that needs to be painted?
一间教室长8米，宽6米，高3.5米．刷教室的顶棚和四壁，除去门和黑板的面积是22平方米，需要粉刷教室的面积是多少？
<gadget id="calculator">8 * 3.5</gadget>
<output>28</output>

<gadget id="calculator">6 * 3.5</gadget>
<output>21</output>

<gadget id="calculator">28 + 21</gadget>
<output>49</output>

<gadget id="calculator">49 * 2</gadget>
<output>98</output>

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

<gadget id="calculator">98 + 48</gadget>
<output>146</output>

<gadget id="calculator">146 - 22</gadget>
<output>124</output>

<result>124</result>