Cut circles out of a piece of rectangular paper with a length of 15 cm and a width of 8 cm. The radius of each circle is 1 cm. How many circles can be cut at most?
在一块长15厘米，宽8厘米的长方形纸上剪圆片，每个圆片的半径是1厘米，最多可以剪多少个圆片．
<gadget id="calculator">1 * 2</gadget>
<output>2</output>

<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>