cylindrical wooden stick with a length of 6 decimeters and a cross-sectional diameter of 4 centimeters is cut into three sections on average, and then all are painted with color. How many square centimeters should be painted?
一个长6分米，横截面直径是4厘米的圆柱体木棍，将它平均截成三段，然后全部涂上颜色，应涂面积是多少平方厘米？
<gadget id="calculator">6 * 10</gadget>
<output>60</output>

<gadget id="calculator">3.14 * 4 * 60</gadget>
<output>753.6</output>

<gadget id="calculator">4 / 2</gadget>
<output>2</output>

<gadget id="calculator">2 ** 2</gadget>
<output>4</output>

<gadget id="calculator">3.14 * 4 * 6</gadget>
<output>75.36</output>

<gadget id="calculator">753.6 + 75.36</gadget>
<output>828.96</output>

<result>828.96</result>