YOU SAID:

She looked away, kept eating and without paying attention in 30 minutes, she had finished a total of 30 cookies by herself.

INTO JAPANESE

彼女は目をそらして食べ続け、30分も経たないうちに一人で合計30枚のクッキーを食べ終えた。

BACK INTO ENGLISH

She looked away and continued eating, finishing a total of 30 cookies by herself in less than 30 minutes.

INTO JAPANESE

彼女は目をそらしながら食べ続け、30分もかからずに計30枚のクッキーを一人で食べ終えた。

BACK INTO ENGLISH

She looked away and continued eating, finishing a total of 30 cookies by herself in less than 30 minutes.