If the side view of a cylinder is a square with a side length of 8 cm, what is the lateral area of the cylinder in square centimeters?
一个圆柱的侧面展开图是一个边长为8厘米的正方形，这个圆柱的侧面积是多少平方厘米．
<gadget id="calculator">8 * 8</gadget>
<output>64</output>

<result>64</result>