急急急！！！c++編程：a*b問題 按照a*b=的格式輸入算式,通過計算輸出a*b的結果.

int?main()

{

long?rs;

int?a,b;

scanf("%d*%d",?&a,&b);

rs=a*b;

printf("%ld\n",?rs?);

return?0;

}