#include<stdio.h>
#define Height 10

int calculate(int Long, int Width);

int main()
{
 int m_Long;
 int m_Width;
 int result;

 printf("长方体的高度为:%d\n",Height);

 printf("请输入长度\n");
 scanf("%d",&m_Long);

 printf("请输入宽度\n");
 scanf("%d",&m_Width);

 result=calculate(m_Long,m_Width);
 printf("长方体的体积是: ");
 printf("%d\n",result);
 return 0;

}

int calcuate(int Long, int Width)
{
 int result=Long*Width*Height;
 return result;

}

编译能过，