 <translate> Rollo has 3 guinea pigs, the first guinea pig eats 2 cups of food, the second guinea pig eats twice as much as the first one, and the third guinea pig eats 3 cups more than the second one. How many cups of food does Rollo need to feed all his Guinea pigs? Give me reasons, before answering the question <yor> Rollo ní àwọn ọmọ ẹyẹ alápá mẹ́ta, ọmọ ẹyẹ alápá àkọ́kọ́ máa ń jẹ ife oúnjẹ méjì, ọmọ ẹyẹ alápá kejì máa ń jẹ ìlọ́po méjì oúnjẹ tí ọmọ ẹyẹ alápá kẹta jẹ, ọmọ ẹyẹ alápá kẹta sì máa ń jẹ ife oúnjẹ mẹ́ta ju ọmọ ẹyẹ alápá kejì lọ. Ìgò oúnjẹ mélòó ni Rollo nílò láti fi bọ́ gbogbo àwọn ọmọ rẹ̀? Sọ ìdí tó o fi ṣe é, kó o tó dáhùn ìbéèrè mi. 