1 
   2 39.0
   3 39
   4 39
   5 39.0
   6 
   7 1.0E10
   8 2147483647
   9 10000000000
  10 1.0E10
  11 
  12 1.0E300
  13 2147483647
  14 9223372036854775807
  15 Infinity
  16 
  17 1.23456789876
  18 1
  19 1
  20 1.2345679