Sum and average of 3 numbers in C

 #include <stdio.h>

int main() {

    float num1, num2, num3, sum, average;

    // Input three numbers

    printf("Enter three numbers: ");

    scanf("%f %f %f", &num1, &num2, &num3);

    // Calculate sum

    sum = num1 + num2 + num3;

    // Calculate average

    average = sum / 3;

    // Display the results

    printf("Sum = %.2f\n", sum);

    printf("Average = %.2f\n", average);

    return 0;

}