Do you remember BODMAS? It stands for 'brackets', 'other', 'division', 'multiplication', 'addition' and 'subtraction'. The order in which we carry out a calculation is important.

Mathematical operations must be carried out in the correct order. BODMAS and BIDMAS are ways of remembering this order. Calculate the value of \([40 - (2 + 4^2)] \times 2\). Using the BODMAS ...