Leonard made a rapid calculation: he'd never make it in time.

伦纳德快速估算了一下：他肯定来不及了。

This calculation is made by subtracting the age of death from 65.

这个计算结果是由65减去死亡年龄得出的。

the calculation of their assets.

对他们资产的计算。

His calculations showed that the price index would go down by half a per cent.

他的计算表明物价指数将下降半个百分点。