CREATE TABLE table_26769_1 (area__km²___per_sqmi_ VARCHAR(255), population_density_per_km² VARCHAR(255))
What was the area (km²) (per sqmi) of a country with a population density per km² of 8.4/km² (/sqmi)?
    
SQL: SELECT area__km²___per_sqmi_ FROM table_26769_1 WHERE population_density_per_km² = "8.4/km² (/sqmi)"