OK, let's work through this together. We're starting with 973 and we're going to multiply it by 99, which means we add 973 to itself 99 times.
Step 1: 0 + 973 = 973
Step 2: 973 + 973 = 1946
Step 3: 1946 + 973 = 2919
Step 4: 2919 + 973 = 3892
Step 5: 3892 + 973 = 4865
Step 6: 4865 + 973 = 5838
Step 7: 5838 + 973 = 6811
Step 8: 6811 + 973 = 7784
Step 9: 7784 + 973 = 8757
Step 10: 8757 + 973 = 9730
Step 11: 9730 + 973 = 10703
Step 12: 10703 + 973 = 11676
Step 13: 11676 + 973 = 12649
Step 14: 12649 + 973 = 13622
Step 15: 13622 + 973 = 14595
Step 16: 14595 + 973 = 15568
Step 17: 15568 + 973 = 16541
Step 18: 16541 + 973 = 17514
Step 19: 17514 + 973 = 18487
Step 20: 18487 + 973 = 19460
Step 21: 19460 + 973 = 20433
Step 22: 20433 + 973 = 21406
Step 23: 21406 + 973 = 22379
Step 24: 22379 + 973 = 23352
Step 25: 23352 + 973 = 24325
Step 26: 24325 + 973 = 25298
Step 27: 25298 + 973 = 26271
Step 28: 26271 + 973 = 27244
Step 29: 27244 + 973 = 28217
Step 30: 28217 + 973 = 29190
Step 31: 29190 + 973 = 30163
Step 32: 30163 + 973 = 31136
Step 33: 31136 + 973 = 32109
Step 34: 32109 + 973 = 33082
Step 35: 33082 + 973 = 34055
Step 36: 34055 + 973 = 35028
Step 37: 35028 + 973 = 36001
Step 38: 36001 + 973 = 36974
Step 39: 36974 + 973 = 37947
Step 40: 37947 + 973 = 38920
Step 41: 38920 + 973 = 39893
Step 42: 39893 + 973 = 40866
Step 43: 40866 + 973 = 41839
Step 44: 41839 + 973 = 42812
Step 45: 42812 + 973 = 43785
Step 46: 43785 + 973 = 44758
Step 47: 44758 + 973 = 45731
Step 48: 45731 + 973 = 46704
Step 49: 46704 + 973 = 47677
Step 50: 47677 + 973 = 48650
Step 51: 48650 + 973 = 49623
Step 52: 49623 + 973 = 50596
Step 53: 50596 + 973 = 51569
Step 54: 51569 + 973 = 52542
Step 55: 52542 + 973 = 53515
Step 56: 53515 + 973 = 54488
Step 57: 54488 + 973 = 55461
Step 58: 55461 + 973 = 56434
Step 59: 56434 + 973 = 57407
Step 60: 57407 + 973 = 58380
Step 61: 58380 + 973 = 59353
Step 62: 59353 + 973 = 60326
Step 63: 60326 + 973 = 61299
Step 64: 61299 + 973 = 62272
Step 65: 62272 + 973 = 63245
Step 66: 63245 + 973 = 64218
Step 67: 64218 + 973 = 65191
Step 68: 65191 + 973 = 66164
Step 69: 66164 + 973 = 67137
Step 70: 67137 + 973 = 68110
Step 71: 68110 + 973 = 69083
Step 72: 69083 + 973 = 70056
Step 73: 70056 + 973 = 71029
Step 74: 71029 + 973 = 72002
Step 75: 72002 + 973 = 72975
Step 76: 72975 + 973 = 73948
Step 77: 73948 + 973 = 74921
Step 78: 74921 + 973 = 75894
Step 79: 75894 + 973 = 76867
Step 80: 76867 + 973 = 77840
Step 81: 77840 + 973 = 78813
Step 82: 78813 + 973 = 79786
Step 83: 79786 + 973 = 80759
Step 84: 80759 + 973 = 81732
Step 85: 81732 + 973 = 82705
Step 86: 82705 + 973 = 83678
Step 87: 83678 + 973 = 84651
Step 88: 84651 + 973 = 85624
Step 89: 85624 + 973 = 86597
Step 90: 86597 + 973 = 87570
Step 91: 87570 + 973 = 88543
Step 92: 88543 + 973 = 89516
Step 93: 89516 + 973 = 90489
Step 94: 90489 + 973 = 91462
Step 95: 91462 + 973 = 92435
Step 96: 92435 + 973 = 93408
Step 97: 93408 + 973 = 94381
Step 98: 94381 + 973 = 95354
Step 99: 95354 + 973 = 96327

So, 973*99 = 96327