https://mathweb.ru/allsystem.html?id=291598

Умножить 1101000,1110001111011(2) на 101000.000110011001(2) = 1000001101110.00010011000000000100000110 Столбиком

Введите два числа и укажите их основание системы счиления:

x																					1	1	0	1	0	0	0	.	1	1	1	0	0	0	1	1	1	1	0	1	1
x																						1	0	1	0	0	0	.	0	0	0	1	1	0	0	1	1	0	0	1	0
+																						0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
																					1	1	0	1	0	0	0	1	1	1	0	0	0	1	1	1	1	0	1	1
																				0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
																			0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
																		1	1	0	1	0	0	0	1	1	1	0	0	0	1	1	1	1	0	1	1
																	1	1	0	1	0	0	0	1	1	1	0	0	0	1	1	1	1	0	1	1
																0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
															0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
														1	1	0	1	0	0	0	1	1	1	0	0	0	1	1	1	1	0	1	1
													1	1	0	1	0	0	0	1	1	1	0	0	0	1	1	1	1	0	1	1
												0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
											0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
										0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

									0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
								0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
							0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
						1	1	0	1	0	0	0	1	1	1	0	0	0	1	1	1	1	0	1	1
					0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
				1	1	0	1	0	0	0	1	1	1	0	0	0	1	1	1	1	0	1	1
			1	0	0	0	0	0	1	1	0	1	1	1	0.	0	0	0	1	0	0	1	1	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	1	1	0

Ответ: 1101000.1110001111011₂ * 101000.000110011001₂ = 1000001101110.00010011000000000100000110₂