Even under version 7.2, Vim does only floating-point arithmetic if one of the operands is explicitly floating-point.

即使对于版本7.2，如果其中一个运算对象被明确声明为浮点类型，那么Vim只支持浮点算术。

youdao

4,000 women put in ten rupees each, which if my arithmetic is right adds up to 40,000 rupees.

4千名妇女每人交10卢比，如果我的计算准确的话加起来总共是4万卢比。

《柯林斯英汉双解大词典》

That is also its strength: it's easy for readers to understand, and to do the arithmetic for their own schools if they'd like.

但这也是它的优势：方便读者理解，如果他们愿意的话，也可以为自己的学校算算数。

youdao

After supper Paul asked his father if he could visit a friend to get some help with his arithmetic.

VOA: special.2009.04.04

They loved arithmetic. As Paul walked toward his house he felt as if he were drowning in ugliness.

VOA: special.2009.04.04

But as a matter of simple arithmetic, if the banks don't lose and Greece gains, there must be an additional subsidy in there somewhere from eurozone governments, either in the "high-quality assets" provided as a back up or, possibly, the promise of preferential treatment for these new bonds in the event of a default.

BBC: France's private support for Greece a matter of degree

My point is that his clever arithmetic, even if his fingers were crossed behind his back, can do real damage to his less sophisticated audience.

FORBES: Million Dollar Jobs

The most likely way this electoral arithmetic will change is if the two main parties win back votes from the smaller parties, whose share of the vote, at 30.6%, is at a high.

ECONOMIST: Psephology