Sure thing! We've got 361 and we're gonna multiply it by 51. That's the same as adding 361 to itself 51 times.
Step 1: 0 + 361 = 361
Step 2: 361 + 361 = 722
Step 3: 722 + 361 = 1083
Step 4: 1083 + 361 = 1444
Step 5: 1444 + 361 = 1805
Step 6: 1805 + 361 = 2166
Step 7: 2166 + 361 = 2527
Step 8: 2527 + 361 = 2888
Step 9: 2888 + 361 = 3249
Step 10: 3249 + 361 = 3610
Step 11: 3610 + 361 = 3971
Step 12: 3971 + 361 = 4332
Step 13: 4332 + 361 = 4693
Step 14: 4693 + 361 = 5054
Step 15: 5054 + 361 = 5415
Step 16: 5415 + 361 = 5776
Step 17: 5776 + 361 = 6137
Step 18: 6137 + 361 = 6498
Step 19: 6498 + 361 = 6859
Step 20: 6859 + 361 = 7220
Step 21: 7220 + 361 = 7581
Step 22: 7581 + 361 = 7942
Step 23: 7942 + 361 = 8303
Step 24: 8303 + 361 = 8664
Step 25: 8664 + 361 = 9025
Step 26: 9025 + 361 = 9386
Step 27: 9386 + 361 = 9747
Step 28: 9747 + 361 = 10108
Step 29: 10108 + 361 = 10469
Step 30: 10469 + 361 = 10830
Step 31: 10830 + 361 = 11191
Step 32: 11191 + 361 = 11552
Step 33: 11552 + 361 = 11913
Step 34: 11913 + 361 = 12274
Step 35: 12274 + 361 = 12635
Step 36: 12635 + 361 = 12996
Step 37: 12996 + 361 = 13357
Step 38: 13357 + 361 = 13718
Step 39: 13718 + 361 = 14079
Step 40: 14079 + 361 = 14440
Step 41: 14440 + 361 = 14801
Step 42: 14801 + 361 = 15162
Step 43: 15162 + 361 = 15523
Step 44: 15523 + 361 = 15884
Step 45: 15884 + 361 = 16245
Step 46: 16245 + 361 = 16606
Step 47: 16606 + 361 = 16967
Step 48: 16967 + 361 = 17328
Step 49: 17328 + 361 = 17689
Step 50: 17689 + 361 = 18050
Step 51: 18050 + 361 = 18411

So, 361*51 = 18411