View Compilation Error

0_0_34895735_27067.c: In function 'main':
0_0_34895735_27067.c:12:9: error: expected expression before '/' token
         //printf("%.2f   %.2f\n",k,z);
         ^
0_0_34895735_27067.c:16:8: error: expected expression before '/' token
        // printf("%.2f   %.2f    %.2f\n",a,b,c);
        ^