A square piece of paper with a side length of 8 decimeters is cut into discs with a diameter of 2 decimeters. How many pieces can be cut at most?
一个边长是8分米的正方形纸片，剪成直径是2分米的圆片，最多可以剪多少个．
<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">4 * 4</gadget>
<output>16</output>

<result>16</result>