The network company has installed broadband network cables for a garden community. 250 households have already installed it, and there are still (6/11) that have not been installed. How many households are there in this garden community?
网络公司为某花园小区安装宽带网络线，已经安装了250户，还有(6/11)没有安装，这个花园小区一共有多少户居民？
<gadget id="calculator">6 / 11</gadget>
<output>6/11 = around 0.545455</output>

<gadget id="calculator">1 - (6/11)</gadget>
<output>5/11 = around 0.454545</output>

<gadget id="calculator">250 / (5/11)</gadget>
<output>550</output>

<result>550</result>