Jeff may sat alone at a table calculating algebra problems .

杰夫梅独自坐在桌子上计算代数问题。

Calculating risk can be highly subjective .

风险计算是件主观性很强的活儿。

What result is it calculating ?

计算的结果是什么？

A change in calculating housing expenses had the opposite effect .

住房费用计算方法的变化影响则与之相反。

I catch myself calculating how much money I should leave for him .

我发现我自己正在计算我应该留给他多少钱。