Task: Data Analysis / Date
User instruction:
What day of the week falls 100,000 days after February 28, 1900, and what is the date? Also, is the year that date falls in a leap year?

Evaluation criteria:
It must be specified that 100,000 days after February 28, 1900 falls on a Monday.
It must be specified that 100,000 days after February 28, 1900 is December 13, 2173.
It must be specified that the year 2173 is not a leap year.