Tips & Tricks Follow BODMAS (Brackets, Of, Division, Multiplication, Addition, Subtraction) rule to solve this question, as per the order given below, Step-1- Parts of an equation enclosed in 'Brackets' must be solved inside the bracket first, Step-2- Then any mathematical 'Of' or 'Exponent' must be solved, Step-3- Next, the parts of the equation that contain 'Division' and 'Multiplication' are calculated, Step-4- Last but not least, the parts of the equation that contain 'Addition' and 'Subtraction' should be calculated. Given, 6 + 66.6 + 6.66 + 66.06 = ? ⇒ 72.6 + 6.66 + 66.06 = ? ⇒ ? = 79.26 + 66.06 ⇒ ? = 145.32