conversations.from: human
conversations.value: Every day, Bob logs 10 hours of work in his office. If he works for five days a week, calculate the total number of hours he logs in a month.
  Give me a clear explanation.
conversations.from: assistant
conversations.value: In a week, working 10 hours a day, Bob logs 10*5 = 50 hours
  After a month with 4 weeks, Bob logs 4*50 = 200 hours for his office working hours.