How to I subtract a single list from a multidimentional list

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Python2.7

i have two list, a multidimensional list and a single list

cf = [[2000, 4000, 6000, 8000], [2000, 4000, 6000, 8000], [2000, 4000, 6000, 800]]
tev = [6000.0, 4800.0, 3480.0]

i want to dynamically subtract the value of the first element of the 2d list(cf[0]) from the value of the first element of tev[0]

which would be
2000 - 6000
4000 - 6000
6000 - 6000
8000 - 6000

and also do the same for the next element of both list

how do i go about that thanks

What I have tried:

i tried the following code but its not working

cf = [[2000, 4000, 6000, 8000], [2000, 4000, 6000, 8000], [2000, 4000, 6000, 800]]
tev = [6000.0, 4800.0, 3480.0]

for i in cf:
for u in i:
print [u * j for j in tev]