Task: Question Answering
Input (English): Question: 1,257
1,275
1,527
........
........
+7,521
The addition problem above shows four of the 24 different integers that can be formed by using each of the digits 1,2,5 and 7 exactly once in each integer. What is the sum E of the 24 integers ?

 Option A:  26,996

 Option B:  44,406

 Option C:  60,444

 Option D:  66,660

 Option E:  99,990
Output (English): Option E