What is 21 times greater than 39?

21 times greater than 39 seems easy enough, but is it?

Let's assume the answer = 819 (since 21 x 39 = 819). Then shouldn't this statement be true?:

819 is greater than 21 x 39.

But that is not true. 819 is not greater than 21 x 39. It is the same!

To make it greater, we could make make a formula like (a+1)b where a=21 and b=39 to get this answer:

(21 + 1) x 39 = 858

But if that is the case, why not simply say "What is 22 times 39?" instead of saying "times greater than?"

We do not think there is a correct answer, because the question can be misinterpreted.

It seems that when many people write 21 times greater than 39, they mean 21 times as much as 39 which equals 819. We recommend that you ask them to clarify what they mean.

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