你好:

   将scanf改为scanf_s

#include<stdio.h>

#define Height 10

int calculate(int Long, int Width);//这里应该是英文括号，你打成中文了

int main()

{

    int m_Long;

    int m_Width;

    int result;

    printf("长方形的高度为：%d\n", Height);//这里也应该是英文括号，你又打成中文了

    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 calculate(int Long, int Width)

{

    int result = Long * Width * Height;

    return result;

}