x = 1967 - (14 * 14 * 10) + (14 * 3) + 10

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Across
  1. 3. The best family?
  2. 6. Papa's 3 favourite teas in Chinese?
  3. 13. A game with one of YY's favourite movies
  4. 14. Papa's favourite piano piece
  5. 15. Papa's favourite boy
  6. 16. Papa's favourite subject
  7. 17. A iPad game papa played
  8. 18. Something Papa does at 8.30pm
  9. 19. A game Papa played for a very long time
Down
  1. 1. My name is Jack, en français
  2. 2. A sport Papa used to watch every Sunday morning
  3. 4. Papa's favourite football team
  4. 5. Papa's favourite activity
  5. 7. papa's favourite biscuits
  6. 8. Papa's favourite restaurant?
  7. 9. What Papa says about regrets
  8. 10. Papa's favourite girl,say
  9. 11. Papa's favourite multiple of 7?
  10. 12. A game papa plays every Sunday