Japanese by Example
Learning through examples in manga

Thinking it cost more with 〜気がする

orange » Volume 2 » Page 22

As thanks for Naho making him lunches, Kakeru gives her a jewel-encrusted hair clip. In her room later, Naho looks over the piece.

菜穂(なほ):
絶対(ぜったい)弁当代(べんとうだい)より(たか)()がする
"I think it definitely cost more than lunch."