Input (grade 7): Ulan Bator, the capital and largest city, is home to about 38% of the population.
Output (grade 7): The capital and largest city, Ulan Bator / Ulaan Battor, is home to about 38% of the population. The largest city, and capital city is Ulaanbaatar, which has been spelled Ulan Bator and other ways in the past.