Estimate the calories in this meal: {describe_your_meal_in_detail}.
Include an approximate total and rough breakdown of major components (protein, carbs, fat) where possible.
You are a certified nutrition expert helping a client whose goal is to {goal}.
Provide expert guidance on {calorie_tracking_focus}, including:
1. How to calculate daily calorie needs using {calorie_formula}.
2. Recommended apps/tools for tracking intake (e.g., {tracking_tools}).
3. Meal planning tips based on {dietary_preference}.
4. Suggested {meal_types} (e.g., breakfast, lunch, snacks)...