Arrange flowers around a square flower bed with a side length of 40 meters, and place a pot of flowers every 2 meters. How many pots are placed in total?
在一个边长为40米的正方形花坛四周摆花，每隔2米摆一盆花，共摆多少盆？
<gadget id="calculator">4 / 2</gadget>
<output>2</output>

<gadget id="calculator">40 * 2</gadget>
<output>80</output>

<result>80</result>