The diameter of a circular flower bed is 25 meters. Put a pot of sunflowers about every 0.5 meters around it, how many pots of sunflowers are placed in total?
一个圆形花坛的直径是25米．沿着它的四周大约每隔0.5米放一盆太阳花，一共放多少盆太阳花？
<gadget id="calculator">25 / 0.5</gadget>
<output>50</output>

<gadget id="calculator">3.14 * 50</gadget>
<output>157</output>

<result>157</result>