Code solution for Suyesh Bhandari

sale_total.rb

class Sale 
	attr_accessor :b2b_total, :webpos_total

	def initialize(b2b_total, webpos_total)
		@b2b_total = b2b_total.to_i
		@webpos_total = webpos_total.to_i
	end

	def total
		@b2b_total + @webpos_total
	end
end

# This code runs if the file is called from the command line
# with 'ruby sale_total.rb' (or whatever you call the file).
# You could also call the command with the values directly, using
# ARGV, which I can cover, if you like.
if $0 == __FILE__
  # Get sale values from user.
  print 'Enter B2B Total: '
  b2b_total = gets.chomp.to_i
  print 'Now enter Web POS Total: '
  webpos_total = gets.chomp.to_i
  
  # Instantiate new Sale object with values from user.
  sale = Sale.new(b2b_total, webpos_total)
  
  # Output the result of the Sale object's #total method.
  puts "Total Sale: #{sale.total}"
end