#include <stdio.h>
int main()
{
int i = 5;
double d = 2.2;
double result1 = i+d;
double result2 = i*d;
double result3 = (double)i - d;
double result4 = (double)i / d;
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;
}