[He smiles at her, just a little bit lop-sided.] Math never gets along with me, I just convince it to agree for a little bit.

[Hinata can't help but feel a little bad though, seeing the way she frowns at the page. He hesitates for the briefest moment- then gives her shoulder a pat, brief but warm.]

I know you're trying you're best, though... And sometimes it's hard to do your best, but that hard work will pay off in the end. [He pauses for just moment, thinking.] What would you say is the hardest part of solving this?