Task: Question Answering
Input (English): Problem: 1257 1275 1527................ + 7521 the addition problem above shows 4 of the 24 different integers that can be formed by using each of the digits 1, 25 and 7 exactly once in each integer. what is the sum t of the 24 integers ?
Options: a. 26996, b. 44406, c. 60444, d. 66660, e. 99990
Output (English): e