public static int calculateQuotientScale(int precision1, int scale1,int precision2,  int scale2)
    {
        return Math.max(scale1 + precision2 -scale2 + 1, 6);        
    }
public static int calculateQuotientScale ( int precision1 , int scale1 , int precision2 , int scale2 ) { return Math . max ( scale1 + precision2 - scale2 + 1 , 6 ) ; }
From the Sybase Transact-SQL user guide