If 26+64 = 63, 32+48 = 83 and 43+57 = 74 then what is the value of 68+39 = ?

Question

If

26+64 = 63,
32+48 = 83,
43+57 = 74

Then what is the value of

68+39 = ?

Answer 1

2*6+6*4=6=36 and its reverse is 63
3*2+4*8=38 and its reverse is 83
Therefore
6*8+3*9=75 and its reverse is 57
68+39=57 is answer