In Ilwoong's drive, there are folders numbered 1 to 25, and each folder has 10 subfolders. If there are 8 files in each subfolder, how many files are there in Ilwoong's drive?
25 10 [OP_MUL] 8 [OP_MUL]
var_a = 25
var_b = 10
var_c = var_a * var_b
var_d = 8
var_e = var_c * var_d
print(int(var_e))