Add namespaces needed for globalization about try HOT 4 CLOSED

double value = 12345.6789;
Console.WriteLine(value.ToString("C", CultureInfo.CurrentCulture));
Console.WriteLine(value.ToString("C3", CultureInfo.CurrentCulture));
Console.WriteLine(value.ToString("C3", 
                  CultureInfo.CreateSpecificCulture("da-DK")));

(2,39): error CS0103: The name 'CultureInfo' does not exist in the current context
(3,40): error CS0103: The name 'CultureInfo' does not exist in the current context
(5,19): error CS0103: The name 'CultureInfo' does not exist in the current context

¤12,345.68
¤12,345.679
kr. 12.345,679

public class Example
{
    public static void Main()
    {
        double value = 12345.6789;
        Console.WriteLine(value.ToString("C", System.Globalization.CultureInfo.CurrentCulture));
        Console.WriteLine(value.ToString("C3", System.Globalization.CultureInfo.CurrentCulture));
        Console.WriteLine(value.ToString("C3", 
                        System.Globalization.CultureInfo.CreateSpecificCulture("da-DK")));
    }
}

System.OutOfMemoryException: Out of memory
  at (wrapper managed-to-native) System.AppDomain.LoadAssemblyRaw(System.AppDomain,byte[],byte[],System.Security.Policy.Evidence,bool)
  at System.AppDomain.Load (System.Byte[] rawAssembly, System.Byte[] rawSymbolStore, System.Security.Policy.Evidence securityEvidence, System.Boolean refonly) <0x29da3b8 + 0x0003e> in <900ecd0f11284a0ca19b03bb59a43de7>:0 
  at System.AppDomain.Load (System.Byte[] rawAssembly, System.Byte[] rawSymbolStore, System.Security.Policy.Evidence securityEvidence) <0x29da258 + 0x00022> in <900ecd0f11284a0ca19b03bb59a43de7>:0 
  at System.AppDomain.Load (System.Byte[] rawAssembly) <0x29da188 + 0x00014> in <900ecd0f11284a0ca19b03bb59a43de7>:0 
  at System.Reflection.Assembly.Load (System.Byte[] rawAssembly) <0x29da0c0 + 0x00010> in <900ecd0f11284a0ca19b03bb59a43de7>:0 
  at MLS.WasmCodeRunner.CodeRunner.ProcessCompileResult (MLS.WasmCodeRunner.CompileResult compileResult, System.Int32 sequence) <0x29d85f8 + 0x00040> in <14b79e8017af40b2b2f7b42a1677165b>:0 

(1,7): error CS1003: Syntax error, '(' expected
(1,7): error CS0118: 'System.Globalization' is a namespace but is used like a variable
(1,27): error CS1026: ) expected
(1,27): error CS0642: Possible mistaken empty statement
(1,1): error CS1513: } expected