tot something up
phrasal verb with tot verb uk/tɒt/ us/tɑːt/ -tt-
informal
把…加起来;加起来总计
to add up numbers or amounts of something, or to have a particular number or amount as a total when added up
She quickly totted up our bill and added an amount for the waiter. 她快速地计算了一下我们的账单，并且加上了给服务员的小费。
That tots up to £20. 那总计是20英镑。