A conference room is 12m long, 8m wide, and 2.9m high. Now it is necessary to paint the dado on its four walls at a height of 1.2m from the ground. If the cost of painting per square meter is about 10.5 yuan, how much is the total cost?
一间会议室长12m，宽8m，层高2.9m，现在要在它的四壁距地面1.2m的高度搞油漆墙裙，如果每平方米油漆的费用约10.5元，一共花费多少元？
<gadget id="calculator">12 * 1.2</gadget>
<output>14.4</output>

<gadget id="calculator">8 * 1.2</gadget>
<output>9.6</output>

<gadget id="calculator">14.4 + 9.6</gadget>
<output>24</output>

<gadget id="calculator">24 * 2 * 10.5</gadget>
<output>504</output>

<result>504</result>