Congratulations to Jonah R., Luca, Eden, Jaden, Jack, of the the 3rd grade, Alice K.Z., Harlan of the 4th grade, Toby and Declan of the 5th grade, Chip, Paris, and Owen A. of the 7th grade, and Fiona M.C. of the 8th grade for determining that the number of white stones is 500, the number of rose stones is 1000, and the number of gray stones is 2000.