Fill a cube container with a side length of 4 cm with water, pour it into a cylindrical container with a depth of 8 cm, and just fill it up. What is the area of the bottom of this cylinder in square centimeters?
把一个棱长为4厘米的正方体容器装满水，倒入一个深8厘米的圆柱体容器内，刚好倒满，这个圆柱体的底面积是多少平方厘米．
<gadget id="calculator">4 / 8</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">4 * 4 * (1/2)</gadget>
<output>8</output>

<result>8</result>