计算(a+b)×c的值

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	Pardofelis	25ms	6.3 MiB	C++14(O2)	125 Bytes	2023-10-11 19:52:48
AC	Yuan Shen player	25ms	6.4 MiB	C++14(O2)	138 Bytes	2024-1-5 19:52:08
AC	ZhaoLei	26ms	6.6 MiB	C++14(O2)	148 Bytes	2025-9-24 16:19:00
AC	TYHS.Kr	27ms	6.4 MiB	C++14(O2)	134 Bytes	2023-11-28 19:24:48
AC	Sav	27ms	6.2 MiB	C++14(O2)	145 Bytes	2023-9-17 21:49:05
AC	Wanghan0704	27ms	6.4 MiB	C++14(O2)	138 Bytes	2023-10-5 19:44:20
AC	Wuyiting	34ms	6.4 MiB	C++14(O2)	129 Bytes	2023-11-29 19:34:42