A*73 =64244 - 28 547, 32*b -59 = 453, 398 + 4 907 : k = 405
1) a = (64244 - 28547) / 73 = 489
2) b = (453 + 59) / 32 = 16
3) k = 4907 / (405 - 398) = 701