From Sahih Bukhari (Hadith 5395):
Narrated `Amr:Abu Nahik was avaricious eater. Ibn `Umar said to him, "Allah's Messenger (ﷺ) said, "A Kafir (unbeliever) eats in seven intestines (eats much)." On that Abu Nahik said, "But I believe in Allah and His Apostle
Reference: Bukhari 5395