https://mathweb.ru/allsystem.html?id=329644

Умножить 104.3D443CC000000014(14) на 14(14) = 1457.11770760000001920000000000000000 Столбиком

Введите два числа и укажите их основание системы счиления:

x																				1	0	4	.	3	D	4	4	3	C	C	0	0	0	0	0	0	0	1	4
x																					1	4	.	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
+																					0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
																				0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
																			0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
																		0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
																	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
																0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
															0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
														0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
													0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
												0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
											0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
										0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
									0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
								0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
							0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
						0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

					4	1	3	1	B	3	3	1	9	6	0	0	0	0	0	0	0	5	2
				1	0	4	3	D	4	4	3	C	C	0	0	0	0	0	0	0	1	4
				1	4	5	7.	1	1	7	7	0	7	6	0	0	0	0	0	0	1	9	2	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

Ответ: 104.3D443CC000000014₁₄ * 14₁₄ = 1457.11770760000001920000000000000000₁₄