三位数乘一位数

Private Sub Command1_Click()
Dim a As Byte
Dim b As String
Dim c As Byte

b = Mid(Me.Text1.Text, 1, 1)
a1 = Int(Val(b))
b = Mid(Me.Text1.Text, 2, 1)
a2 = Int(Val(b))
b = Mid(Me.Text1.Text, 3, 1)
a3 = Int(Val(b))
b = Me.Text2.Text
c = Int(Val(b))
Dim r As Byte
r = a3 * c
Dim r1 As Byte
Dim r2 As Byte
Dim r3 As Byte
Dim d As Byte
r3 = r Mod 10
d = r \ 10
r = a2 * c + d
r2 = r Mod 10
d = r \ 10
r = a1 * c + d

r1 = r Mod 10
d = r \ 10
Print d & r1&; r2&; r3

End Sub