SELECT SUM("Reb. Avg.") FROM table_48227 WHERE "Games" > '98' AND "Rank" = '7'
What is the total of rebound averages with more than 98 games and a rank of 7?
CREATE TABLE table_48227 (
    "Rank" real,
    "Player" text,
    "Years" text,
    "Games" real,
    "Reb. Avg." real,
    "Total Rebounds" real
)