Danica McKellar Welcomes a Son

Danica McKellar Welcomes a Son
Danica McKellar
David Livingston/Getty

updated 09/10/2010 AT 03:30 PM EDT

originally published 09/10/2010 AT 02:30 PM EDT

Here's some new math for Danica McKellar's next book: one plus one equals three.

The former Wonder Years star and bestselling author gave birth to her first child Tuesday night, a boy named Draco Verta. He weighed in at 7 lbs., 2 oz. and takes his moniker – which means dragon – from the constellation of the same name.

"We are humbled, overjoyed and so grateful for this miraculous gift," McKellar and husband Mike Verta tell PEOPLE in a statement. "It's like we've only now just learned the true meaning of love."

McKellar, 35 – now a mathematician and author of three books on the subject, including current bestseller HOT X: Algebra Exposedwed composer Verta in March 2009. They announced the pregnancy one year later.

Reporting by KATE COYNE

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