The community garden is a rectangle with a length of 80m and a width of 60m. Now it is necessary to install street lights around the garden, at all four corners, and every two adjacent lights are separated by 5m. How many street lights will be installed in total?
小区花园是一个长80m，宽60m的长方形．现要在花园四周安装路灯，四个角上都要安装，每相邻两盏灯间隔5m，一共要安装多少盏路灯？
<gadget id="calculator">240 / 5</gadget>
<output>48</output>

<result>48</result>