Solve: ((num1 * (num2 + (num3 / (num4 - (num5 / (num6 + num1) ) ) ) )) - ((num2 * num3) / (num1 + num4) )) / ((num5 - (num6 / (num3 + num2) ) ) + (num1 / (num4 - num5) )) = ? (Round to 3 decimal places)