well, breaking it down, you're going to do 780/8, in two/three steps.
First, you'll do 78/8, which is 9. 78- (8*9) is now
78-72 = 7.
Then, we're going to take the 0 and put that at the end of 7, making it 70
so 70/8 is 8, with 6 left over.
Now we smoosh these numbers together to get 96 remainder 6