If you want to paint the sides of 8 large pillars with a bottom circumference of 1.57 meters and a height of 6 meters, if the average paint consumption per square meter is 0.5 kilograms and the loss is 10%, how many kilograms of paint should you buy in total?
要油漆8根底面周长为1.57米、高为6米的大柱子的侧面，按每平方米平均用油漆0.5千克，损耗10%计算，一共需买油漆多少千克？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 + (1/10)</gadget>
<output>11/10 = around 1.1</output>

<gadget id="calculator">1.57 * 6 * 8 * 0.5 * (11/10)</gadget>
<output>41.448</output>

<result>41.448</result>