Reasonable calorie intake varies from person to person. Because every girl's age, height and weight are different. For example, if you are 25 years old, 160cm and 50kg, your basal metabolic rate is 1240 kcal. This data is not your daily calorie intake, but your ideal state. That is, your intake MINUS your consumption.

If you want to check the specific calorie value, you can go to Mint to lose weight. Mint-Tool- basic metabolic calculation