A rectangle with a length of 10 cm and a width of 8 cm can draw at most how many circles with a radius of 1 cm.
一个长方形长10厘米，宽8厘米，最多能画多少个半径1厘米的圆．
<gadget id="calculator">1 * 2</gadget>
<output>2</output>

<gadget id="calculator">10 / 2</gadget>
<output>5</output>

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

<gadget id="calculator">5 * 4</gadget>
<output>20</output>

<result>20</result>