Hello, tygracen!

Here are a few of them . . .

1. Find the quotient and remainder when 11,109,999,999,997 is divided by 1111.

Then we have: .

Subtract and add 1111:

. .

. .

. .

The quotient is 9,999,999,999 . . . the remainder is 1108.

2. Convert to base 10.

3. Convert 32,145 to octal.