https://mathweb.ru/allsystem.html?id=124021

Умножить 0.111101100000000000000000000000000000(2) на 1010(2) = 1001.100111000000000000000000000000000000000000000000000000000000000000000000 Столбиком

Введите два числа и укажите их основание системы счиления:
x0.111101100000000000000000000000000000
1010.000000000000000000000000000000000000
+0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0000000000000000000000000000000000000
0111101100000000000000000000000000000
0000000000000000000000000000000000000
0111101100000000000000000000000000000
1001.100111000000000000000000000000000000000000000000000000000000000000000000
Ответ: 0.1111011000000000000000000000000000002 * 10102 = 1001.1001110000000000000000000000000000000000000000000000000000000000000000002