gistfile1.coffee

String::reverse = ->
  size = @length + 1
  result = ""
  while size -= 1
    result += @[size - 1]
  result

String::reversable = ->
  @reverse() == @toString()

numbers = [999..901]

resultSet = []
dict = []

for i in numbers
  continue if i % 10 == 0
  for j in numbers
    continue if j % 10 == 0
    num = i * j
    resultSet.push num if num.toString().reversable()
    dict[num] = { i: i, j: j }

max = Math.max.apply null, resultSet
console.log max
console.log dict[max]