/// <summary>
 /// Get big decimal value -99999999.99
 /// </summary>
 /// <param name='operations'>
 /// The operations group for this extension method.
 /// </param>
 public static decimal?GetBigDecimalNegativeDecimal(this INumber operations)
 {
     return(operations.GetBigDecimalNegativeDecimalAsync().GetAwaiter().GetResult());
 }