The computer room is 8 meters long, 6.5 meters wide, and 4.5 meters high. Its ceiling and surrounding walls need to be painted. The area of doors and windows accounts for 15% of the area to be painted. On average, lime (2/5) kilograms is used per square meter. How much lime is needed in total? kilogram?
计算机房长8米，宽6.5米，高4.5米，要粉刷它的顶棚和四周墙壁，门窗面积占要粉刷面积的15%，平均每平方米用石灰(2/5)千克，共需石灰多少千克？
<gadget id="calculator">8 * 6.5</gadget>
<output>52</output>

<gadget id="calculator">8 * 4.5 * 2</gadget>
<output>72</output>

<gadget id="calculator">6.5 * 4.5 * 2</gadget>
<output>58.5</output>

<gadget id="calculator">52 + 72 + 58.5</gadget>
<output>182.5</output>

<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">1 - (3/20)</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">182.5 * (17/20)</gadget>
<output>155.125</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">155.125 * (2/5)</gadget>
<output>62.05</output>

<result>62.05</result>