Oscar Robertson had 26,710 points when grabbing 7,000+ boards and recording 7,000+ assists in his career.

nba players with 22,000 points, 7,000 rebounds, 7,000 assists in career
Interpreted as:
NBA players with 22,000 or more points, 7,000 or more rebounds, 7,000 or more assists in career
Oscar RobertsonOscar Robertson104026,7107,8049,88742.,8867742,931
LeBron JamesLeBron James131335,4459,7709,71238.,1702,0689854,6042,405+7117
StatMuse has season-level data for rebounds going back to the 1950-51 season.