2 + 7 × (7 × 9) ÷ 3=

To solve this expression, we need to follow the order of operations, which is parentheses, multiplication/division (from left to right), and addition/subtraction (from left to right). First, we calculate the expression inside the parentheses, which is 7 multiplied by 9, resulting in 63. Then, we multiply 7 by 63, giving us 441. Next, we divide 441 by 3, which equals 147. Finally, we add 2 to 147, resulting in the final answer of 149.