Cross word numbers

12345678
Across
  1. 2. Ponuds in a stone
  2. 3. Countries in Europe
  3. 5. The number of planets
  4. 6. Hours in a day
  5. 8. Weeks in six months
Down
  1. 1. The seasons
  2. 2. Days till Christmas
  3. 4. Length of pregnancy in months
  4. 7. The lives of a cat