3200kcal is the kilocalories which he should consume each day to achieve his goal of losing two pounds.
This is referred to as the unit of energy in food substances such as carbohydrates etc.
Since we know that 1 pound = 3,500 kcal then he has to eat something less than 4,200 kcal a day which in this case is 3200kcal.
Read more about Calorie here https://brainly.com/question/1178789
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