https://mathweb.ru/allsystem.html?id=349319

Умножить F,2B851EB851EB851EB(16) на F8,3(16) = B5.011EB851EB851EB0410000000000000000 Столбиком

Введите два числа и укажите их основание системы счиления:

x																					F	.	2	B	8	5	1	E	B	8	5	1	E	B	8	5	1	E	B
x																				F	8	.	3	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
+																						0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
																					0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
																				0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
																			0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
																		0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
																	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
																0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
															0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
														0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
													0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
												0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
											0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
										0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
									0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
								0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
							0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
					2	D	8	2	8	F	5	C	2	8	F	5	C	2	8	F	5	C	1

				7	9	5	C	2	8	F	5	C	2	8	F	5	C	2	8	F	5	8
			E	3	8	C	C	C	C	C	C	C	C	C	C	C	C	C	C	C	5
				B	5.	0	1	1	E	B	8	5	1	E	B	8	5	1	E	B	0	4	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

Ответ: F.2B851EB851EB851EB₁₆ * F8.3₁₆ = B5.011EB851EB851EB0410000000000000000₁₆