a question on the volume of a set

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Can anybody give me a hint on this? Let $v\in \mathbb{R}^n,\quad r,R,C$ positive constants . We would like to calculate the volume of the set $$A=\{w\in \mathbb{R}^n : r\leq |w| \leq R, |w-v/2|\leq C \}$$ It seems like the intersection of an annulus and a ball (both in the n-dimensional sense) but i can't write down an integral properly.