There are 8 identical pillars in the hall, the circumference of the bottom of the pillars is 6.28 meters, and the height is 5 meters. Paint these pillars, 0.6 kg of paint per square meter, how many kg of paint will be used in total?
大厅里有8根同样的柱子，柱子底面周长6.28米，高5米．给这些柱子涂上油漆，每平方米用油漆0.6千克，一共要用多少千克油漆？
<gadget id="calculator">6.28 * 5</gadget>
<output>31.4</output>

<gadget id="calculator">31.4 * 8</gadget>
<output>251.2</output>

<gadget id="calculator">251.2 * 0.6</gadget>
<output>150.72</output>

<result>150.72</result>