 <translate> If I'm 4 times older than Billy currently, and Billy is 4 years old, how old was I when Billy was born? Give me reasons, before answering the question <yor> Bí mo bá ti dàgbà ju Billy lọ ní ìlọ́po mẹ́rin báyìí, tí Billy sì jẹ́ ọmọ ọdún mẹ́rin, ọmọ ọdún mélòó ni mí nígbà tí Billy bí mi? Sọ ìdí tó o fi ṣe é, kó o tó dáhùn ìbéèrè mi. 