https://mathweb.ru/allsystem.html?id=110312

Умножить 111111,001111010111(2) на 1010011111,010011001100(2) = 1010010111010100.111111100011101101010100 Столбиком

Введите два числа и укажите их основание системы счиления:

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

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

Ответ: 111111.001111010111₂ * 1010011111.010011001100₂ = 1010010111010100.111111100011101101010100₂