强制类型转换：

int cs, bcs;
double result;
bcs =<strong><span style="font-size:18px;"> </span><span style="font-size:12px;">Convert.ToInt32</span>(</strong>Console.ReadLine()<strong>)</strong>;
cs = <strong>int.Parse(</strong>Console.ReadLine()<strong>)</strong>;
result = bcs / cs; 
Console.WriteLine(result);