Paint a room with a length of 10.5m, a width of 8m, and a height of 5.2m. The area of doors and windows in the room is 25.8m**2. What is the area to be painted?
粉刷一间长10.5m，宽8m，高5.2m的房间，房间门窗面积是25.8m**2，粉刷的面积是多少？
<gadget id="calculator">8 * 10.5</gadget>
<output>84</output>

<gadget id="calculator">8 * 5.2</gadget>
<output>41.6</output>

<gadget id="calculator">10.5 * 5.2</gadget>
<output>54.6</output>

<gadget id="calculator">41.6 + 54.6</gadget>
<output>96.2</output>

<gadget id="calculator">96.2 * 2</gadget>
<output>192.4</output>

<gadget id="calculator">192.4 - 25.8</gadget>
<output>166.6</output>

<gadget id="calculator">84 + 166.6</gadget>
<output>250.6</output>

<result>250.6</result>