#include <stdio.h>
int main (void)
{
    float weight;
    float value;
   
    printf("Are you worth your weight in platinum?\n");
    printf("Lets check it out.\n");
    printf("please enter your weight in pounds :");
   
    scanf("%f,&weight");
    value=1700.0*weight*14.5833;
   
    printf("Your weihjt  in platinum is worth $%.4f.\n",value);
    printf("You are easily worth that! If platinum prices drop,\n");
    printf("eat ,more to maintain your value.\n");
   
    return 0;
   
}
控制台里只有前3行的英文是怎么回事？课本中说会出现一夜提示是什么的

//scanf("%f,&weight");
scanf("%f",&weight);