Stream of consciousness rationale: An even split is 50%. If the monthly subscription is $14, but I pay only 50% that means I pay every month $14 * 50% = $7. We know that in 1 year there are 12 months. Therefore if each month I pay $7, in 12 months I'd pay $7 * 12 = $84.
The question and answer pair are described below.
Q: Your video streaming subscription costs $14 a month. If you're evenly splitting the cost with your friend, how much do you pay in total after the first year for this service?
A: 84