room is 4.8 meters long, 3.2 meters wide, and 3 meters high. It is necessary to paint a circle of blue dado with a height of 70 cm around the room. If 0.5 liters of paint is used per square meter, how many liters of paint are needed in total?
一个房间长4.8米，宽3.2米，高3米，要在房间的四周刷一圈高70厘米的蓝色墙裙，如果每平方米用涂料0.5升，共需多少升涂料？
<gadget id="calculator">4.8 * 0.7</gadget>
<output>3.36</output>

<gadget id="calculator">3.2 * 0.7</gadget>
<output>2.24</output>

<gadget id="calculator">3.36 + 2.24</gadget>
<output>5.6</output>

<gadget id="calculator">5.6 * 2</gadget>
<output>11.2</output>

<gadget id="calculator">11.2 * 0.5</gadget>
<output>5.6</output>

<result>5.6</result>