 
 <prompt> Rollo yana da guinea pigs 3, guinea pig na farko ya ci 2 cups na wake, guinea pig na biyu ya ci goma da yawa a kan farko, kuma guinea pig na uku ya ci 3 cups da yawa a kan biyu. Me zan bukata cups na abinci Rollo ya bukata dukkanin Guinea pigs dinsa? <response>: The second guinea pig eats 2 x 2 = 4 cups of food.
The third guinea pig eats 4 + 3 = 7 cups of food.
Therefore, Rollo needs a total of 2 + 4 + 7 = 13 cups of food for the guinea pig.

Answer is 13. 