The average age of children of Class VII is 12 years and 3 months. Express this age in seconds.

Explanation

To express the average age of children in Class VII (12 years and 3 months) in seconds, we need to break down the conversion step by step.

### Step-by-Step Solution:

**Step 1: Convert years to seconds.**
- We know that 1 year = 365 days.
- Therefore, for 12 years:
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