https://mathweb.ru/allsystem.html?id=298028

Умножить 0010101011.011001011010(2) на 111000.111010111000(2) = 010011000011011.111001101111110010110000 Столбиком

Введите два числа и укажите их основание системы счиления:

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

Ответ: 0010101011.011001011010₂ * 111000.111010111000₂ = 010011000011011.111001101111110010110000₂