The garden needs to install a sprinkler faucet in the middle of a circular flowerbed with a circumference of 188.4 meters, so that the distance from the faucet to the periphery of the flowerbed is equal. Where do you think is the most suitable place to install the faucet? Find the length of the pipe from the faucet to the edge of the garden.
园林所要在一块周长188.4米的圆形花圃的中间安装一个喷水龙头，使龙头到花圃周边的距离都相等，你认为水龙头要安装在什么地方最合适？求出水龙头到花圃边缘的水管长度．
<gadget id="calculator">188.4 / 3.14 / 2</gadget>
<output>30</output>

<result>30</result>