A cylinder has a volume of 900 cubic centimeters and a height of 15 centimeters, what is the area of the base in square centimetres?
一个圆柱体积为900立方厘米，高为15厘米，底面积是多少平方厘米．
<gadget id="calculator">900 / 15</gadget>
<output>60</output>

<result>60</result>