How do I recognize text from image I need to take the number from the image

modiDocument.OCR(MiLANGUAGES.miLANG_ENGLISH);

private void button1_Click(object sender, EventArgs e)
{
    //string filePath = Server.MapPath("~/Uploads/" + Path.GetFileName(FileUpload1.PostedFile.FileName));
    //FileUpload1.SaveAs(filePath);
    string filePath = ("image\an91cut.jpg");
    string extractText = this.ExtractTextFromImage(filePath);
    label1.Text = extractText.Replace(Environment.NewLine, "<br />");
}

private string ExtractTextFromImage(string filePath)
{
    Document modiDocument = new Document();
  
    modiDocument.Create("C:\\Users\\אפרת\\Desktop\\oo.png");
    modiDocument.OCR(MiLANGUAGES.miLANG_ENGLISH);
    MODI.Image modiImage = (modiDocument.Images[0] as MODI.Image);
    string extractedText = modiImage.Layout.Text;
    modiDocument.Close();
    return extractedText;
}