Cannot be...
Hypothesis A:
24 x 80 = 1920 --- (1)
24 x 81 = 1944 --- (2)
Hypothesis B
25 x 80 = 2000 --- (3)
25 x 81 = 2025 --- (4)
Equation 3 and 4 is the most likely as it is closer to 2K, hence
must be 25 replies. But ironically, why the thread stop at 81
instead of 80. That I am bewildered. 
