Explanation

Given expression: 68 - 13 + 21 ÷ 3 × 2

Following order of operations:

1. Division: 21 ÷ 3 = 7

2. Multiplication: 7 × 2 = 14

3. Now, the expression becomes:

68 - 13 + 14

= 68 - 13 = 55

= 55 + 14 = 69