Xiaoming’s house is renovating a new house. One side of the living room is 560cm long. On this side, a spotlight is installed every 80cm (one end is installed, the other end is not installed). How many spotlights do you need to install in total?
小明家装修新房子，客厅的一边长560cm，在这条边上每隔80cm装一盏射灯(一端装，一端不装)，一共需要装多少盏射灯？
<gadget id="calculator">560 / 80</gadget>
<output>7</output>

<result>7</result>