Xiaohong goes to school by bicycle, the diameter of the wheel is 1.6m, and the wheel rotates 8 times per minute. It takes 8 minutes to ride from home to school, then how much is the distance between Xiaohong's home and school?
小红骑自行车上学，车轮直径为1.6m，车轮每分钟转8周，从家到学校共骑8min，则小红家距学校多少m．
<gadget id="calculator">3.14 * 1.6 * 8 * 8</gadget>
<output>321.536</output>

<result>321.536</result>