A preliminary radiograph of the gall bladder is taken of the…

A preliminary radiograph of the gall bladder is taken of the right upper quadrant on an 10×12 inch FOV using 20 mAs and 70 kVp.  The radiologist requests a KUB on a 14×17 inch FOV because he or she thinks the patient might have an early bowel obstruction and he or she needs to see the whole abdomen.  What new mAs is required?