Table:
text: Northern Europe
Demographics
Demographics
Country Area_km² Population_2011_est_ Population_density_per_km² GDP_PPP_M_USD
Svalbard and Jan Mayen Islands ( Norway ) 61395 2572 0.042 (Norway)
Sweden 449964 9354462 20.6 $381.719
United Kingdom 243610 62008048 254.7 $2,256,830
Total 1811176 99230679 54.8 / km² $3,591,077

Question: What is the GDP with a population density of 254.7 in Northern Europe?

Question: What is the GDP for an area of 61,395 in Northern Europe?