Cut a circle with a radius of 1 cm from a rectangular piece of paper with a length of 12 cm and a width of 8 cm. How many circles can be cut at most?
在一张长12厘米，宽8厘米的长方形纸片上剪下半径为1厘米的圆片，最多可以剪多少个圆片．
<gadget id="calculator">12 / 2</gadget>
<output>6</output>

<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">6 * 4</gadget>
<output>24</output>

<result>24</result>