Courtesy of WaPo's Zachary Goldfarb, it appears the IRS, just like its former tax-challenged head Tim "TurboTax" Geithner, has some problems with simple math.

The senior IRS official briefing the press just said: "I'm not good at math." — Zachary A. Goldfarb (@Goldfarb) May 10, 2013

In her defense, the IRS official, explained: "I'm a lawyer." — Zachary A. Goldfarb (@Goldfarb) May 10, 2013

The operative question to the IRS official is: What is one-quarter of 300? — Zachary A. Goldfarb (@Goldfarb) May 10, 2013