IZennoList list = project.Lists["List"];
lock (SyncObjects.InputSyncer) {
List<string> tmpList = new List<string>();
foreach (string str in list)
if (!str.Contains("k"))
tmpList.Add(str);
else
tmpList.Add(Convert.ToString(double.Parse(str.Replace(".", ",").Replace("k", "")) * 1000));
list.Clear();
list.AddRange(tmpList);
}