A cube and a cylinder have the same volume and height. It is known that the side length of the cube is 3 cm. What is the area of the base of the cylinder in square meters?
一个正方体和一个圆柱体的体积相等，高也相等，已知正方体的棱长是3厘米，这个圆柱体的底面积是多少平方米．
<gadget id="calculator">3 / 3</gadget>
<output>1</output>

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

<result>9</result>