Related Clues:
- "Anything to ___?"
- Remark further
- Among those characters in speed dating falling head over heels with Count
- Do sum basic math
- Put a couple of numbers together
- Do very simple math
- Subtract a negative number
- Append or attach to
- Sum; attach (to)
- Use a + sign
- Put on extended promotion
- Total up some numbers
- Verb indicated by +
- Verb on a dipstick
- Opposite of take off