tot up

English

From total.

tot up (third-person singular simple present tots up, present participle totting up, simple past and past participle totted up)

(transitive) To calculate the sum of a number of numbers or quantities.
As soon as Debbie can tot up the scores, we'll know who won.
(intransitive, usually with to) To add up (to).
The bill tots up to 35 euros.

to calculate the sum of

to add up to