price = 150
puts price * 120
puts price * 130
puts price * 140
# price = 151
# price = price + 1
price += 1
#price -= 1
puts price * 120
puts price * 130
puts price * 140
price = 150
puts price * 120
puts price * 130
puts price * 140
# price = 151
# price = price + 1
price += 1
#price -= 1
puts price * 120
puts price * 130
puts price * 140