You are given a math word problem and you are supposed to apply a single mathematical operator like addition, subtraction, multiplication, or division on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

after buying a dress he went to a gardening store and bought his mom some ornamental plants . if the plants originally cost $ 467 and he was able to get a $ 399 discount how much did he actually spend on buying the plants ?
68