conversations.from: human
conversations.value: Nicki spent the last year running a lot. For the first half of the year, she ran a total of 20 miles per week. For the second half of the year, she increased the mileage to 30 miles per week. How many miles total did she run for the year?
  Can you solve this problem?
conversations.from: assistant
conversations.value: Each half of the year consists of 52 / 2 = 26 weeks.
  For the first half of the year, Nicki ran a total of 20 * 26 = 520 miles.
  For the second half of the year, Nicki ran a total of 30 * 26 = 780 miles.
  For the entire year, Nicki ran a total of 520 + 780 = 1,300 miles.