Li Li rubbed a ball of plasticine into a cylinder with a bottom diameter of 8 cm and a height of 9 cm. If it is transformed into a cone with a height of 12 cm, what is the area of the base of the cone in square centimeters?
李丽用一团橡皮泥搓成了一个底面直径8厘米、高9厘米的圆柱体．如果把它改制成高是12厘米的圆锥体，圆锥体的底面积是多少平方厘米？
<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

<gadget id="calculator">3.14 * 16 * 9</gadget>
<output>452.16</output>

<gadget id="calculator">3 / 12</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">452.16 * (1/4)</gadget>
<output>113.04</output>

<result>113.04</result>