Hiro asks why he's been asked to come to lunch during the lunch break. He's curious about the mandarins, and he figures that since boys eat so much, they'll have a limit on how many they can eat. He also wants to know what's up with the whole "magic" thing, so he figures out that the girl's going to do a flower pot trick with the seeds from the magic mandarins. Okay, so this is a bit of a mouthful, but it's actually pretty cool: the seeds sprout an "iris" instead of an "eye" , and the "baby's breath" is transformed into "school magic" . Hiro's not sure that this is really magic, but he does know that the kid's doing a pretty good job with it. He figures that if they roll up the flower pot, the seeds are going to turn back into the real thing, and then he'll be able to explain how many segments there are in a mandarin . He doesn't know how to explain it, so we'll just have to do it for him: the number of "segments" in a "mandarin" is the same as the number