1. Hours in a year
puts 365 * 24
2. Minutes in a decade
puts 10 * 365 * 24 * 60
3. Seconds I'm old, 8/8/76 to 5/7/07 (9:45pm)
puts (30 * 365 * 24 * 60 * 60) + (272 * 24 * 60 * 60) + (21 * 60 * 60) + (45 * 60)
4. 912,000,000 seconds, how old?
puts 912000000/60/60/24/365
