John writes 3 stories every week.  Each short story is 50 pages.  He also writes a novel that is 1200 pages each year.  Each sheet of paper can hold 2 pages.  Over 12 weeks, how many reams of paper does he need to buy if a ream contains 500 sheets?
He writes 3*50=<T>multiply(3, 50)=150 pages a week
That means he writes 150*52=<T>multiply(150, 52)=7800 pages of short stories a year
So he writes 7800+1200=<T>add(7800, 1200)=9000 pages a year
So he needs 9000/2=<T>divide(9000, 2)=4500.0 sheets of paper
That means he needs 4500/500=<T>divide(4500, 500)=9.0 reams of paper
