Total calculation

hello,please help with the total calculation.basically i use vb6 datareport to display the Total amount.i have problem with the Total display at the datareport.

for example:
8+5=13 but the report display result is 85.

this is my code:

Code:

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Dim strSQL As String
Dim conDataConnection As Connection
Dim departmment As String
Dim enddate As String

deptOTsummary.Orientation = rptOrientLandscape
deptOTsummary.Show
department = cbodepartment.Text


 Set conDataConnection = New Connection
      conDataConnection.Open "Provider=Microsoft.Jet.OLEDB.4.0;Data Source= " & App.Path & _
                "\Overtime.mdb;Persist Security Info=False"

Dim rs As New ADODB.Recordset
strSQL = "SELECT * FROM Overtime where Department='" & department & "'"
rs.Open strSQL, conDataConnection, adOpenStatic, adLockOptimistic

While Not rs.EOF
  ' total = total + rs("Othours").valu
        If IsNull(rs("OtHours").Value) Then
            total = total + 0
        Else
            total = total + rs("OtHours").Value
        End If
        rs.MoveNext
    Wend
 
'set the database source in rs
  deptOTsummary.Sections("Section5").Controls.Item("Label15").Caption = Format(total, "#,##0.00")
    Set deptOTsummary.DataSource = rs
    'then set the field
    deptOTsummary.Sections("section1").Controls.Item("Text1").DataField = "EmployeeName"
    deptOTsummary.Sections("section1").Controls.Item("Text2").DataField = "EmployeeNo"
    deptOTsummary.Sections("section1").Controls.Item("Text3").DataField = "Designation"
    deptOTsummary.Sections("section1").Controls.Item("Text4").DataField = "Department"
    deptOTsummary.Sections("section1").Controls.Item("Text5").DataField = "Shift"
    deptOTsummary.Sections("section1").Controls.Item("Text6").DataField = "OvertimeDate"
    deptOTsummary.Sections("section1").Controls.Item("Text7").DataField = "TimeFrom"
    deptOTsummary.Sections("section1").Controls.Item("Text8").DataField = "TimeTo"
    deptOTsummary.Sections("section1").Controls.Item("Text9").DataField = "Breaktime"
    deptOTsummary.Sections("section1").Controls.Item("Text10").DataField = "OtRate"
    deptOTsummary.Sections("section1").Controls.Item("Text11").DataField = "CategoryDay"
    deptOTsummary.Sections("section1").Controls.Item("Text12").DataField = "WorkDescript"
    deptOTsummary.Sections("section1").Controls.Item("Text13").DataField = "Othours"

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i post the error display image here.
thanks for help!

Try

Code:

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total = total + Val(rs("OtHours").Value)

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How is the variable "total" dimensioned?