When you finish reading the line, press space. Only say the number in numerals, for example 34. When Greystripe says "too big" or "too small" it doesn't actually mean that it's way too big or way too small. It's just the way he talks. The number is between 0-100.
Thank you Erin Hunter for the Book Series Warriors, and thank you Internet for the pictures!!!!!!! Please <3 and ⭐.