What is the difference between the largest and the smallest number written with 7, 7, 0, 7? Select the correct option.
A) 337 B) 628 C) 987 D) 693 E) 281
Explanation:   7770   7077   -------------   693   Answer: 693
<result>D</result>
What is the difference between the largest and the smallest number written with 7, 7, 0, 7?