3 adverbs to describe how to subtracts

Presently Ted finished his cigarette, sent its still ruddy remains flashing off into the lake where it fell with a soft hiss, took out his watch again, lit another match, considered the time, subtracted gravely, looked up and announced "Time's up, Larry.

No one article, however trifling in value, was to be privately subtracted from the booty or plundered goods.

He accounts not all sins mortal, for fornication with him is a venial sin, and to take bribes a matter of charity; he is collector for burnings and losses at sea, and in casting account readily subtracts the lesser from the greater sum.

3 adverbs to describe how to  subtracts  - Adverbs for  subtracts