There are 15 classrooms in the experimental primary school, each classroom has 3 windows, and a total of 360 pieces of glass are installed. How many pieces of glass are installed in each window on average?
实验小学有15间教室，每间教室有3个窗户，一共安装360块玻璃．平均每个窗户安装多少块玻璃？
<gadget id="calculator">360 / 15 / 3</gadget>
<output>8</output>

<result>8</result>