Question

The City Journal sold 3,807,412 copies of its newspaper last year. This year, it sold 4,339,798 copies.

Answer 1

3,807,000 + 4,339,000= 8,146,000

or if you wanted it like this:

3,807,412 + 4,339,789 = 8,147,201 (8,147,201 Rounded)

Answer 2

Rounded to the nearest hundred the first number is 3,807,800 and the second number is 4,339,800 and the number of copies sold in the last two years was 8,147,210 copies