Whats wrong with this equation

Question

Scanner input = new Scanner (System.in); double a = 2, b= 1, c= 3, d= 4, r= 5, t= 2;
double answer= 4/(3*(r+34))-9*(a+b*c)+(3+d*(2+a))/(a+b*d);
System.out.println("answer: "+answer);
double answer1= 5.5 * (Math.pow((r+2.5) , (2.5+t)));
System.out.println("answer: "+answer1);

}

}

Answer 1

What is the error?

Answer 2

Or what is this equation, because I dont know the what is the base equation