#include<stdio.h>
#define Height 10
int calculate(int long,int Width);
int  main()
{
      int m_Long;
      int m_Width;
      int result;

      printf("长方形的高度为：%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("长方形的体积是:  ");
      printf("%d\n",result);
      return 0；
}

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

int calculate(int long,int Width);
//main(){...}
int calculate（int Long，int Width){...}

参数名错了