['Yesterday I had my final Physics exam and I think I nailed it, due to studying so hard.', 'That sounds great! It sounds like you really studied hard. I hope you did wonderful on it.', 'Yeah, me too. Hopefully just as well as you did on yours. I really struggle with mathematics.']
It sounds like you did great. Studying is the biggest part really.
Yesterday I had my final Physics exam and I think I nailed it, due to studying so hard.