Related Clues:

• 'Piece of cake'
• Easy
• Child's play
• See 16-Down
• 'Easy!'
• 'Piece of cake!'
• See 33-Down
• 'That was easy'
• 'Duck soup!'
• See 25-Down
• 'That's easy!'
• ''Piece of cake''
• 'No prob'
• Something easy
• Like child's play