Sure thing! We've got 19 and we're gonna multiply it by 51. That's the same as adding 19 to itself 51 times.
Step 1: 0 + 19 = 19
Step 2: 19 + 19 = 38
Step 3: 38 + 19 = 57
Step 4: 57 + 19 = 76
Step 5: 76 + 19 = 95
Step 6: 95 + 19 = 114
Step 7: 114 + 19 = 133
Step 8: 133 + 19 = 152
Step 9: 152 + 19 = 171
Step 10: 171 + 19 = 190
Step 11: 190 + 19 = 209
Step 12: 209 + 19 = 228
Step 13: 228 + 19 = 247
Step 14: 247 + 19 = 266
Step 15: 266 + 19 = 285
Step 16: 285 + 19 = 304
Step 17: 304 + 19 = 323
Step 18: 323 + 19 = 342
Step 19: 342 + 19 = 361
Step 20: 361 + 19 = 380
Step 21: 380 + 19 = 399
Step 22: 399 + 19 = 418
Step 23: 418 + 19 = 437
Step 24: 437 + 19 = 456
Step 25: 456 + 19 = 475
Step 26: 475 + 19 = 494
Step 27: 494 + 19 = 513
Step 28: 513 + 19 = 532
Step 29: 532 + 19 = 551
Step 30: 551 + 19 = 570
Step 31: 570 + 19 = 589
Step 32: 589 + 19 = 608
Step 33: 608 + 19 = 627
Step 34: 627 + 19 = 646
Step 35: 646 + 19 = 665
Step 36: 665 + 19 = 684
Step 37: 684 + 19 = 703
Step 38: 703 + 19 = 722
Step 39: 722 + 19 = 741
Step 40: 741 + 19 = 760
Step 41: 760 + 19 = 779
Step 42: 779 + 19 = 798
Step 43: 798 + 19 = 817
Step 44: 817 + 19 = 836
Step 45: 836 + 19 = 855
Step 46: 855 + 19 = 874
Step 47: 874 + 19 = 893
Step 48: 893 + 19 = 912
Step 49: 912 + 19 = 931
Step 50: 931 + 19 = 950
Step 51: 950 + 19 = 969

So, 19*51 = 969