This is the 12306th most frequent Russian word.
исчислен
"Is calculated" or "is counted."
Here 'исчислено' refers to the act of calculating or determining a numerical value.
Количество участников было исчислено заранее.
The number of participants was calculated in advance.
In this sentence, 'исчислено' indicates a computed or evaluated quantity derived by professionals.
Величина ущерба была исчислена экспертами.
The amount of damage was calculated by experts.
The usage of 'исчислено' here denotes the summing of monetary values over a specified period.