1等奖:360/1000=0.36度,外圆周周长是:1乘3.1415926/1000=0.00314米
2等奖:360/800=0.45度,1乘3.1415926/8000.00393米
3等奖:360/600=0.6度,1乘3.1415926/600=0.00524米
4等奖:360/400=0.9度,1乘3.1415926/400=0.00785米
5等奖:360/200=1.8度,1乘3.1415926/200=0.01571米
6等奖:360/100=3.6度,1乘3.1415926/100=0.03142米
7等奖:360/50=7.2度,1乘3.1415926/50=0.06283米
8等奖:360/10=36度,1乘3.1415926/10=0.31416米
(3.1415926是圆周率)(外圆周周长除1000可变成毫米)