class ActiveSupport::NumberHelper::NumberToHumanConverter

def convert # :nodoc:
  @number = Float(number)
  # for backwards compatibility with those that didn't add strip_insignificant_zeros to their locale files
  unless options.key?(:strip_insignificant_zeros)
    options[:strip_insignificant_zeros] = true
  end
  units = opts[:units]
  exponent = calculate_exponent(units)
  @number = number / (10 ** exponent)
  unit = determine_unit(units, exponent)
  rounded_number = NumberToRoundedConverter.convert(number, options)
  format.gsub(/%n/, rounded_number).gsub(/%u/, unit).strip
end