https://mathweb.ru/allsystem.html?id=88182

Умножить 11000000.10101000.00000000.00001010(2) на 11111111.11111111.11111111.00000000(2) = 1100000001001000.1101000010000111111010011011111101011111011000000000 Столбиком

Введите два числа и укажите их основание системы счиления:
x11000000.10101000.00000000.00001010
11111111.11111111.11111111.00000000
+00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
11000000101010000000000000001010
11000000101010000000000000001010
11000000101010000000000000001010
11000000101010000000000000001010
11000000101010000000000000001010
11000000101010000000000000001010
11000000101010000000000000001010
11000000101010000000000000001010
11000000101010000000000000001010
11000000101010000000000000001010
11000000101010000000000000001010
11000000101010000000000000001010
11000000101010000000000000001010
11000000101010000000000000001010
11000000101010000000000000001010
11000000101010000000000000001010
11000000101010000000000000001010
11000000101010000000000000001010
11000000101010000000000000001010
11000000101010000000000000001010
11000000101010000000000000001010
11000000101010000000000000001010
11000000101010000000000000001010
11000000101010000000000000001010
1100000001001000.1101000010000111111010011011111101011111011000000000
Ответ: 11000000.10101000.00000000.000010102 * 11111111.11111111.11111111.000000002 = 1100000001001000.11010000100001111110100110111111010111110110000000002