How likely am I to get pregnant if

I lost my virginity last night. He pulled out each time, we did it twice. I haven't tracked my period or fertility till now but I'm estimating that I should have stopped ovulating over a week ago. When he pulled out he came once on my stomache and once on my back, things were very wet including his seats ( we were in his truck ). I read if he pulls out there is still a 22% chance I can get pregnant I figured those aren't half bad statistics like I said on top of that I shouldn't be ovulating. He's probably gonna buy me some plan b pills or maybe a stronger over the counter morning after pill tomorrow but tomorrow will be the third day if you count the night I had sex but really so far it's only been about 30 hours. So I just want to know on a scale of 1-10 how freaked out should I be. We were not using protection. Also what over the counter methods could I be using to prevent pregnancy and what should i look for in the future to tell if I might have conceived.