1. (2019高一下·浦东月考) 有如下的程序段：若分别输入5、6，则该程序的运行结果是。

Private Sub Command1_Click()

Dim a As String, b As String, c As String

  a = InputBox("请输入a的值")

  b = InputBox("请输入b的值")

  c = a + b

Print c

End Sub