The school is going to paint a new office. It is known that the length of the office is 8m, the width is 6m, the height is 3.5m, and the area of doors and windows is 12.5m**2. How many square meters is the painted area of this office?
学校要粉刷一个新办公室．已知办公室的长是8m，宽是6m，高是3.5m，门窗的面积是12.5m**2，这个办公室的粉刷面积是多少平方米？
<gadget id="calculator">8 * 6</gadget>
<output>48</output>

<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">98 - 12.5</gadget>
<output>85.5</output>

<gadget id="calculator">48 + 85.5</gadget>
<output>133.5</output>

<result>133.5</result>