 
<translate> Ganin dalilin, samar da wata tambaya mai ma'ana da amsa. Yadda za a yi tunani a hankali: Arthur ya girmi Susan da shekara biyu, saboda haka shekarunsa 15 + 2 = 17. Bob yana da shekaru 11, don haka Tom yana da shekaru 11 - 3 = 8. Saboda haka, jimillar shekarun waɗannan 'yan'uwa huɗu 11 + 15 + 17 + 8 = shekara 51.  Tambaya da amsa: <eng> Given the rationale, provide a reasonable question and answer. Step-by-step reasoning process: Arthur is 2 years older than Susan, so he is 15 + 2 = 17 years old. Bob is 11 years old, so Tom is 11 - 3 = 8 years old. So in total these four family members have 11 + 15 + 17 + 8 = 51 years.
 The question and answer: 