#include <stdio.h>
int main()
{
int i = 5;
int k = 3;
double d = 2.2;
double result1 = i + d;
double result2 = i * d;
double result3 = (double)i - k;
double result4 = (double)i / k;
printf("덧셈 결과: %lf\n", result1);
printf("곱셈 결과: %lf\n", result2);
printf("뺄셈 결과: %lf\n", result3);
printf("나눗셈 결과: %lf\n", result4);
return 0;
}