1) The next step in this long division, after getting down that 1 is to find which number times 153 gets closer to 1361.
2) Let's do it so that we can visualize it
So after descending the 1 so that we could divide by 153, we found 8, since 8 x 153 =12261, then we got down the 7 and 9 x 153 = 1377