#include <stdio.h>
#include <stdlib.h>

int main()
{
        char op;
        float n1, n2;
        printf("entre com a operacao(+ - / *) ");
        scanf("%c",&op);
        printf("entre com o numero 1 : ");
        scanf("%f",&n1);
        printf("entre com o numero 2 : ");
        scanf("%f",&n2);
        float res;

        if(op=='+'){res=n1+n2;}
        else if(op=='-'){res=n1-n2;}
        else if(op=='/'){res=n1/n2;}
        else if(op=='*'){res=n1*n2;}

        printf("\nResultado : %f \n",res);
        return 0;
}