Your link says Novo earned 12B total in net profit not just from Ozempic. It seems like most of Novo's profits do not come from Ozempic so the profit from Ozempic would be substantially lower.
Maybe your comment is correct for say 2023 or 1H 2024, but Ozempic has far from ramped up to full production. Also, Ozempic isn't launched yet in most countries.