Can you solve this riddle?

26 + 78 + 39 = 1,318,311,415
33 + 28 + 49 = 2,612,131,217
92 + 43 + 10 = 1124
11 + 60 + 3 = ?

What is the answer and why?
HINT: It's just only 2 numbers.

11.
Example: 26 + 78 + 39 = 131,821,111,415
26: Use its right number as an exponent,then the answer is 64.
78: The same as the 26. Then the answer is 5,782,378
39: The same one. The answer is 19,683
After that,add them all.
The answer is 3,811,145, but this is not finished.
After you add,write in the paper the answer and write: One 3,one 8,three 1's,one 4 and one 5.
Translate in numbers: 1,318,311,415