Related Clues:

• Interject
• Way to check the check
• What summers do
• Go figure?
• "Cogito, ergo __"
• Line on a bill
• Do sumthing?
• Final answer?
• Grand total
• Lengthen (with ''to'')
• Perform an operation?
• Object to find in Kakuro
• Full amount
• It adds up
• Write further