calculate verb
1 work out a number, etc.
ADV. accurately, exactly
PREP. according to The amount is calculated according to the number of years you have paid into the scheme. | at The sum involved was calculated at $82 million.
2 guess
ADV. carefully, shrewdly | correctly He correctly calculated that the others would not dare fight back.
You can also check other dicts: calculate (English, 中文解释 ), wordnet sense, Collins Definition