A rectangular flower bed is 20 meters long and 16 meters wide, and a pot of flowers is placed every 2 meters. How many pots are there in total?
一个长方形花坛的长是20米，宽是16米，每隔2米放一盆花．一共要放多少盆？
<gadget id="calculator">20 + 16</gadget>
<output>36</output>

<gadget id="calculator">2 / 2</gadget>
<output>1</output>

<gadget id="calculator">36 * 1</gadget>
<output>36</output>

<result>36</result>