The problem is missing the question but here is the answer:
The question is to turn the letters into numbers and this is what you are going to turn into numbers
    SU Re = 35 r4
     _________
U ) CAN= 5 179
      - CU = 17
      ________ 
      I N = 29
     - I U = 25
     _________ 
          E = 4
So in short the answers are:
S - 3
U - 5
E - 4
C - 1
A - 7
N - 9
I - 2