#include<stdio.h>
unsigned fun6(unsigned num)
{unsigned k=1;
 do
 {k*=num%10;num/=10;}
 while(num);
 return k;
}
void main()
{unsigned n=26;printf("%d\n",fun6(n));}
请大家教我输出结果为什么是12，我怎么算出来是2啊？谢了！