Let's roll up our sleeves and solve this. We have 896 and we're going to multiply it by 18, essentially adding 896 to itself 18 times.
Step 1: 0 + 896 = 896
Step 2: 896 + 896 = 1792
Step 3: 1792 + 896 = 2688
Step 4: 2688 + 896 = 3584
Step 5: 3584 + 896 = 4480
Step 6: 4480 + 896 = 5376
Step 7: 5376 + 896 = 6272
Step 8: 6272 + 896 = 7168
Step 9: 7168 + 896 = 8064
Step 10: 8064 + 896 = 8960
Step 11: 8960 + 896 = 9856
Step 12: 9856 + 896 = 10752
Step 13: 10752 + 896 = 11648
Step 14: 11648 + 896 = 12544
Step 15: 12544 + 896 = 13440
Step 16: 13440 + 896 = 14336
Step 17: 14336 + 896 = 15232
Step 18: 15232 + 896 = 16128

So, 896*18 = 16128