It doesn't add up.

WSJ: Petraeus Affair Puts Scrutiny on FBI

"It just doesn't add up, the whole time line here, " Mr. King, who also serves on the House Permanent Select Committee on Intelligence, said Sunday on CNN's "State of the Union" program.

WSJ: Congress to Investigate FBI's Handling of David Petraeus Inquiry

It simply doesn't add up.

BBC: pound coins and notes

It doesn't always add up.

CNN: Lights, Camera, Interaction!

There is a trade-off between better armour and tight budgets, says John Rutledge, and it just "doesn't add up".

BBC: Nexter Armoured Fighting Vehicle

"They sound impressive when you first hear the numbers but when you begin to look at them, it's a very tiny scale that doesn't add up to much, " said Stacy Mitchell, senior researcher at the Institute for Local Self Reliance, a nonprofit national research organization.

NPR: Wal-Mart To Hire Vets, Buy More American Products

The decor, such as it is, dates back to its founding in the early 1900s and doesn't add up to much more than mirrors interspersed with Gothic columns and a pale tiled floor.

NPR: Excerpt: 'Hungry for Paris'