What key details about pak je-ga can be extracted from the following bio? Bio: pak je-ga -lrb- ; 1750 -- 1815 -rrb- was a scholar of school of practical learning -lrb- silhak -rrb- in the late joseon dynasty . he was a student of park ji-won .
Answer:
- mrho is ch ' ojong- hangulho is - hanjaho is - caption is pak je-ga -lrb- 1790 -rrb-- img is park chega.jpg- rrho is chojeong- hangul is - mr is pak che-ga- rr is bak je-ga- hanja is