Xiao Ming uses a piece of rectangular paper with a length of 32 cm and a width of 20 cm, how many circular pieces of paper with a radius of 2 cm can be cut at most.
小明用一张长32厘米，宽20厘米的长方形纸，最多能剪多少个半径是2厘米的圆形纸片．
<gadget id="calculator">2 * 2</gadget>
<output>4</output>

<gadget id="calculator">32 / 4</gadget>
<output>8</output>

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

<gadget id="calculator">8 * 5</gadget>
<output>40</output>

<result>40</result>