AMC 8 1991 Problem 13

How many zeros are at the end of the product $$25\times 25\times 25\times 25\times 25\times 25\times 25\times 8\times 8\times 8?$$ $\text{(A)}\ 3 \text{(B)}\ 6 \text{(C)}\ 9 \text{(D)}\ 10 \text{(E)}\ 12$