Related Clues:

• Used an abacus
• Worked out a sum
• Pitched in
• Found the sum
• Kept score of
• Mixed in
• Added up
• Did some simple arithmetic
• Got the total
• Kept score
• Totaled up
• Thrown in
• Reckoned debt or score
• And what's more, the editor is a divine
• It's been agreed that it's much the same at last