1. The problem is to find the sum of 12 and 12. 2. We use the addition rule: when we add two numbers, we count all together. 3. Add 12 and 12 step by step: 12 + 12. 4. Think of it like having 12 candies and then getting 12 more candies. 5. Count all candies: 12 + 12 = 24. 6. So, the answer is 24.