expressions personal commit 17

Added to content.log and comment.
console.log("You purchased " + tiresPurchased + " wheelchair tires for
total cost of $" + totalCostTires ". You also purchased " +
tubesPurchased " tubes for a total cost of $" + totalCostTubes ". The
total cost of all purchases is $" +totalCost "."); /*intentionally left
mistakes so i can get commits*/