JavaME input text boxes problmes

[OMGNinja]

ok so I want to get input from the user for ending and begining mileage of a car and how much gas that is used during the travle.I got the input boxes set up that works fine but when I try to convert them to ints it does not what I am I doing wrong here?

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import javax.microedition.lcdui.TextField;



public class Gas extends MIDlet  implements CommandListener {

  
    //gas mileage = (em - bm)/ gas;

TextField gas; //gas in gallons
TextField bm;  //begingin mileage
TextField em;  //ending mileage
int result; // //gas mileage = (em - bm)/ gas;

    private Form form;
    private Command quit;
    private Command OKCmd;


public Gas(){
    gas = new TextField("Gas in Gallons:", "", 10, TextField.ANY);
    bm = new TextField("Begining Mileage :", "", 10, TextField.ANY);
    em = new TextField("Ending Mileage :", "", 10, TextField.ANY);

      form = new Form("Gas Milages");
     
      form.setCommandListener(this);
      quit = new Command("Quit", Command.SCREEN, 1);
      form.addCommand(quit);
      OKCmd = new Command("OK", Command.SCREEN, 1);
      form.addCommand(OKCmd);
      form.append(gas);
      form.append(bm);
      form.append(em);
      


   }
protected void startApp() throws MIDletStateChangeException{

      Display.getDisplay(this).setCurrent(form);
   }


   protected void pauseApp(){
   }


   protected void destroyApp(boolean unconditional)
           throws MIDletStateChangeException{
   }


   // Handle Events generated by Commands
   public void commandAction(Command command, Displayable displayable){
try{
       if (command == OKCmd){
       int gInput = Integer.parseInt(gas.getString());
       int bMInput = Integer.parseInt(bm.getString());
       int eMInput = Integer.parseInt(em.getString());
       }
}catch(NumberFormatException e){}
        //gas mileage = (em - bm)/ gas;
       // result = (em - bm) / gas;
       try
      {
         if (command == quit)
         {
            destroyApp(true);
            notifyDestroyed();
         }
      }

      catch (MIDletStateChangeException me){
      }
   }
}

 

[OMGNinja]

Ok I got it working, i feel kinda stupid this look like a noob mistake, but hey I am one so
but here is how to fix this problem

int gInput = Integer.parseInt(gas.getString());
       int bMInput = Integer.parseInt(bm.getString());
       int eMInput = Integer.parseInt(em.getString());
        result = (eMInput -bMInput) / gInput ;

Now I have gotten this part does any one know how to get print out the result to the screen?