你计算过这个项目的成本了吗？

Have you ___calculated the cost of the project?

他计算出攒够买车的钱需要两年时间。

He's ___calculated that it would take him two years to save up enough for a car.

在某个阶段，我们需要计算项目何时完成。

At some stage we need to ___calculate when the project will be finished.