Oh no, there are more numbers to learn. 66 77 88 88 00. 00 99 88 77 66. There are 768 fake answers to this math problem. Maybe you should ask him for 0 cookies, and he will give you 0 back. 1000 riel plus 1500 riel is 2500 riel. I can count. 1, 2, 3, 4, 5, 6, 7, 8, 9, 0. Congratulations on finishing the main 15 typing lessons.