C Program - Calculate Gross salary

#include <stdio.h>
#include <conio.h>

void main()
{
    int gross_salary, basic, da, ta;
    printf("Enter basic salary : ");
    scanf("%d", &basic);

    da = (10 * basic)/100;
    ta = (12 * basic)/100;

    gross_salary = basic + da + ta;

    printf("\nGross salary : %d",gross_salary);
    getch();

}

Output

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