Related Clues:

• Build (on)
• Lengthen, with “to”
• Append
• Tally (up)
• Photo session
• Stick in
• Sum
• Arithmetic function
• Attach
• Exclamation of disappointment
• Get the picture
• Bamboo unit
• 'I'm all ears!'
• Hustle and bustle
• Perform an arithmetic operation