https://mathweb.ru/allsystem.html?id=88183

Умножить 1100000010101000.0000000000001010(2) на 111111111111111111111111.00000000(2) = 1100000010100111111111110100100101010111.11111111111101100000000000000000 Столбиком

Введите два числа и укажите их основание системы счиления:
x1100000010101000.0000000000001010
111111111111111111111111.0000000000000000
+00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
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
1100000010100111111111110100100101010111.11111111111101100000000000000000
Ответ: 1100000010101000.00000000000010102 * 111111111111111111111111.000000002 = 1100000010100111111111110100100101010111.111111111111011000000000000000002