Alright, let's solve this math problem step by step. First, we have the number 84. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 77. So, we're going to take the number 84 and add it to itself 77 times.
Step 1: 0 + 84 = 84
Step 2: 84 + 84 = 168
Step 3: 168 + 84 = 252
Step 4: 252 + 84 = 336
Step 5: 336 + 84 = 420
Step 6: 420 + 84 = 504
Step 7: 504 + 84 = 588
Step 8: 588 + 84 = 672
Step 9: 672 + 84 = 756
Step 10: 756 + 84 = 840
Step 11: 840 + 84 = 924
Step 12: 924 + 84 = 1008
Step 13: 1008 + 84 = 1092
Step 14: 1092 + 84 = 1176
Step 15: 1176 + 84 = 1260
Step 16: 1260 + 84 = 1344
Step 17: 1344 + 84 = 1428
Step 18: 1428 + 84 = 1512
Step 19: 1512 + 84 = 1596
Step 20: 1596 + 84 = 1680
Step 21: 1680 + 84 = 1764
Step 22: 1764 + 84 = 1848
Step 23: 1848 + 84 = 1932
Step 24: 1932 + 84 = 2016
Step 25: 2016 + 84 = 2100
Step 26: 2100 + 84 = 2184
Step 27: 2184 + 84 = 2268
Step 28: 2268 + 84 = 2352
Step 29: 2352 + 84 = 2436
Step 30: 2436 + 84 = 2520
Step 31: 2520 + 84 = 2604
Step 32: 2604 + 84 = 2688
Step 33: 2688 + 84 = 2772
Step 34: 2772 + 84 = 2856
Step 35: 2856 + 84 = 2940
Step 36: 2940 + 84 = 3024
Step 37: 3024 + 84 = 3108
Step 38: 3108 + 84 = 3192
Step 39: 3192 + 84 = 3276
Step 40: 3276 + 84 = 3360
Step 41: 3360 + 84 = 3444
Step 42: 3444 + 84 = 3528
Step 43: 3528 + 84 = 3612
Step 44: 3612 + 84 = 3696
Step 45: 3696 + 84 = 3780
Step 46: 3780 + 84 = 3864
Step 47: 3864 + 84 = 3948
Step 48: 3948 + 84 = 4032
Step 49: 4032 + 84 = 4116
Step 50: 4116 + 84 = 4200
Step 51: 4200 + 84 = 4284
Step 52: 4284 + 84 = 4368
Step 53: 4368 + 84 = 4452
Step 54: 4452 + 84 = 4536
Step 55: 4536 + 84 = 4620
Step 56: 4620 + 84 = 4704
Step 57: 4704 + 84 = 4788
Step 58: 4788 + 84 = 4872
Step 59: 4872 + 84 = 4956
Step 60: 4956 + 84 = 5040
Step 61: 5040 + 84 = 5124
Step 62: 5124 + 84 = 5208
Step 63: 5208 + 84 = 5292
Step 64: 5292 + 84 = 5376
Step 65: 5376 + 84 = 5460
Step 66: 5460 + 84 = 5544
Step 67: 5544 + 84 = 5628
Step 68: 5628 + 84 = 5712
Step 69: 5712 + 84 = 5796
Step 70: 5796 + 84 = 5880
Step 71: 5880 + 84 = 5964
Step 72: 5964 + 84 = 6048
Step 73: 6048 + 84 = 6132
Step 74: 6132 + 84 = 6216
Step 75: 6216 + 84 = 6300
Step 76: 6300 + 84 = 6384
Step 77: 6384 + 84 = 6468

So, 84*77 = 6468