The classroom of Class 5 and 2 of Youyi Primary School is 8m long, 6.5m wide, and 4m high. Now the roof and four walls of the classroom are to be painted. Excluding the doors, windows and blackboards, the area is 27.2 square meters. How many square meters should the painted area be?
友谊小学五2班的教室长8m，宽6.5m，高4m，现在要粉刷教室的屋顶和四面墙壁，除去门窗和黑板面积27.2㎡，粉刷的面积应该是多少平方米？
<gadget id="calculator">8 * 6.5</gadget>
<output>52</output>

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

<gadget id="calculator">6.5 * 4</gadget>
<output>26</output>

<gadget id="calculator">32 + 26</gadget>
<output>58</output>

<gadget id="calculator">58 * 2</gadget>
<output>116</output>

<gadget id="calculator">116 - 27.2</gadget>
<output>88.8</output>

<gadget id="calculator">52 + 88.8</gadget>
<output>140.8</output>

<result>140.8</result>