if it's $2500 for 400 troy ounces = $1,000,000, then at 12.441KG = 12441g then the price per gram is only $0.20 which is way different $80 a gram, have I misse

if it's $2500 for 400 troy ounces = $1,000,000, then at 12.441KG = 12441g then the price per gram is only $0.20 which is way different $80 a gram, have I missed something.