A cylindrical part with a base diameter of 4cm and a height of 6cm and a cube part with an edge length of 3cm are fused into a conical part with a height of 9cm. What is the area of the base of the conical part?
把一个底直径4cm，高6cm的圆柱形零件和一个棱长3cm的正方体零件融合成一个高为9cm的圆锥形零件，圆锥形零件的底面积是多少？
<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">3 * 3 * 3</gadget>
<output>27</output>

<gadget id="calculator">75.36 + 27</gadget>
<output>102.36</output>

<gadget id="calculator">3 / 9</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">102.36 * (1/3)</gadget>
<output>34.12</output>

<result>34.12</result>