How Old Are They?翻译出来并且解答！谢谢！
ProfessorMarkwasaskedhowoldhistwochildren,PeterandPaul,were."Ican'tremember,"saidthea...
Professor Mark was asked how old his two children , Peter and Paul , were . " I can't remember, " said the absentminded professor . " But I do remember that the difference in their age is two years . And if you multiply theiy age , you get 120 . Peter is the older of the two . " How old are they?
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