John cuts down an 80-foot tree. He can make logs out of 80% of it. He cuts it into 4-foot logs. From each of those logs, he cuts 5 planks. He then sells each plank for $5128470. How much does h…👇

John cuts down an 80-foot tree. He can make logs out of 80% of it. He cuts it into 4-foot logs. From each of those logs, he cuts 5 planks. He then sells each plank for $5128470. How much does he make?