Let's get this math done. We have 317 and we're going to multiply it by 9. This is the same as taking 317 and adding it to itself 9 times.
Step 1: 0 + 317 = 317
Step 2: 317 + 317 = 634
Step 3: 634 + 317 = 951
Step 4: 951 + 317 = 1268
Step 5: 1268 + 317 = 1585
Step 6: 1585 + 317 = 1902
Step 7: 1902 + 317 = 2219
Step 8: 2219 + 317 = 2536
Step 9: 2536 + 317 = 2853

So, 317*9 = 2853