Related Clues:
- Do simple arithmetic
- Bring aboard
- Compute a total
- Do a little math
- Put in your two cents
- Foot up
- Do the math, in a way
- Word in math class
- Tendency for one's mind to wander, for short
- Write a P.S.
- Obey the plus sign
- With 42-Down, extensions
- Include, as a dash of cinnamon
- Work with numbers, in a way
- Add, as a rider