6.6. and 6.

I was walking to the restroom at work and heard a telephone ringing. No biggie - I work in a sea of cubicles. But the ringing followed me in to the restroom. Was I calling someone by accident? Of course I was. While finagling the phone out of my pocket, I was hoping the person I was accidentally calling wasn't one of those I didn't want to talked to - you know, awkward.... I flipped over my phone and it said:

Dialing: 666....

Apparently I inadvertently called the Devil. He didn't pick up. If he had, the only question on my mind was - How much of my soul would it cost to win a gold medal? Part? Half? All?