Vb.net 算术运算在求和时导致溢出

我不能算数

Dim calc1 As Integer = 1391998071
Dim calc2 As Integer = 2020713278

Dim total As Integer = calc1 + calc2

请改用数据类型：

Dim calc1，长度=1391998071
尺寸计算C2，长度=2020713278
当长度=（calc1）+（calc2）时，尺寸公差