There are 8 identical pillars in the Xinxin Studio Hall. The diameter of each pillar is 0.8 meters and the height is 10 meters. If the painting fee per square meter is 2 yuan, how much will it cost to paint the eight pillars?
欣欣演播大厅里有8根完全相同的柱子，每根柱子的直径是0.8米，高是10米，如果每平方米油漆费是2元，要漆这八根柱子需要花多少元钱？
<gadget id="calculator">3.14 * 0.8 * 10 * 8</gadget>
<output>200.96</output>

<gadget id="calculator">2 * 200.96</gadget>
<output>401.92</output>

<result>401.92</result>