The volume of a cylinder is 90 cubic centimeters, the height is 15 centimeters, what is the area of the base in square centimetres?
圆柱的体积是90立方厘米，高是15厘米，底面积是多少平方厘米．
<gadget id="calculator">90 / 15</gadget>
<output>6</output>

<result>6</result>