How do you know they admitted a 142? I'm just asking because my first attempt was not much better than that and I got denied to a bottom tiered school (that being said it was several years ago when law schools had a higher applicant pool).
If you do a lot better after being accepted, you can try negotiating for your first year. Unless you did a binding early decision, you have the card of withdrawing if you don't get more $ so schools typically offer up some money.