Since 1 Chinese Yuan is equal to 20.90079466005706 Japanese Yens, we could say that n Chinese Yuan are equal to 20.90079466005706 times n Japanese Yens. In other words, we could use the following formula:
Japanese Yens = Chinese Yuan x 20.90079466005706
For example, let's say that we want to convert 2.0 Chinese Yuan to Japanese Yens. Then, we just replace Chinese Yuan in the abovementioned formula with 2.0:
Japanese Yens = 2.0 x 20.90079466005706
That is, 2.0 Chinese Yuan are equal to 41.80158932011412 Japanese Yens.