Dad paints a living room that is 6 meters long, 3 meters high, and 4 meters wide. The area of the doors and windows is 6 square meters. If the paint is 6.5 yuan per square meter, how much is the total cost?
爸爸粉刷一间长6米，高3米，宽4米的客厅四周，出去门窗面积6平方米，如果每平方米需要涂料6.5元，那么一共需要多少元？
<gadget id="calculator">6 * 3</gadget>
<output>18</output>

<gadget id="calculator">4 * 3</gadget>
<output>12</output>

<gadget id="calculator">18 + 12</gadget>
<output>30</output>

<gadget id="calculator">30 * 2</gadget>
<output>60</output>

<gadget id="calculator">60 - 6</gadget>
<output>54</output>

<gadget id="calculator">54 * 6.5</gadget>
<output>351</output>

<result>351</result>