public void test(View view){

        int q = Integer.parseInt(x.getText().toString());
        int rta = q*3;
        int tt ;
        if (q == 1 ){
            tt=q*6;
            Toast.makeText(this, "sonuç: "+tt, Toast.LENGTH_SHORT).show();
        }
        if (q>=2&&q<=6){
            Toast.makeText(this, "5 tl", Toast.LENGTH_SHORT).show();
        }
        if (q>6&&q<=10){
            Toast.makeText(this, "4 tl", Toast.LENGTH_SHORT).show();
        }
        if (q>10){
            Toast.makeText(this, ""+rta, Toast.LENGTH_SHORT).show();
        }

            
    }