Alright, let's solve this math problem step by step. First, we have the number 864. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 116. So, we're going to take the number 864 and add it to itself 116 times.
Step 1: 0 + 864 = 864
Step 2: 864 + 864 = 1728
Step 3: 1728 + 864 = 2592
Step 4: 2592 + 864 = 3456
Step 5: 3456 + 864 = 4320
Step 6: 4320 + 864 = 5184
Step 7: 5184 + 864 = 6048
Step 8: 6048 + 864 = 6912
Step 9: 6912 + 864 = 7776
Step 10: 7776 + 864 = 8640
Step 11: 8640 + 864 = 9504
Step 12: 9504 + 864 = 10368
Step 13: 10368 + 864 = 11232
Step 14: 11232 + 864 = 12096
Step 15: 12096 + 864 = 12960
Step 16: 12960 + 864 = 13824
Step 17: 13824 + 864 = 14688
Step 18: 14688 + 864 = 15552
Step 19: 15552 + 864 = 16416
Step 20: 16416 + 864 = 17280
Step 21: 17280 + 864 = 18144
Step 22: 18144 + 864 = 19008
Step 23: 19008 + 864 = 19872
Step 24: 19872 + 864 = 20736
Step 25: 20736 + 864 = 21600
Step 26: 21600 + 864 = 22464
Step 27: 22464 + 864 = 23328
Step 28: 23328 + 864 = 24192
Step 29: 24192 + 864 = 25056
Step 30: 25056 + 864 = 25920
Step 31: 25920 + 864 = 26784
Step 32: 26784 + 864 = 27648
Step 33: 27648 + 864 = 28512
Step 34: 28512 + 864 = 29376
Step 35: 29376 + 864 = 30240
Step 36: 30240 + 864 = 31104
Step 37: 31104 + 864 = 31968
Step 38: 31968 + 864 = 32832
Step 39: 32832 + 864 = 33696
Step 40: 33696 + 864 = 34560
Step 41: 34560 + 864 = 35424
Step 42: 35424 + 864 = 36288
Step 43: 36288 + 864 = 37152
Step 44: 37152 + 864 = 38016
Step 45: 38016 + 864 = 38880
Step 46: 38880 + 864 = 39744
Step 47: 39744 + 864 = 40608
Step 48: 40608 + 864 = 41472
Step 49: 41472 + 864 = 42336
Step 50: 42336 + 864 = 43200
Step 51: 43200 + 864 = 44064
Step 52: 44064 + 864 = 44928
Step 53: 44928 + 864 = 45792
Step 54: 45792 + 864 = 46656
Step 55: 46656 + 864 = 47520
Step 56: 47520 + 864 = 48384
Step 57: 48384 + 864 = 49248
Step 58: 49248 + 864 = 50112
Step 59: 50112 + 864 = 50976
Step 60: 50976 + 864 = 51840
Step 61: 51840 + 864 = 52704
Step 62: 52704 + 864 = 53568
Step 63: 53568 + 864 = 54432
Step 64: 54432 + 864 = 55296
Step 65: 55296 + 864 = 56160
Step 66: 56160 + 864 = 57024
Step 67: 57024 + 864 = 57888
Step 68: 57888 + 864 = 58752
Step 69: 58752 + 864 = 59616
Step 70: 59616 + 864 = 60480
Step 71: 60480 + 864 = 61344
Step 72: 61344 + 864 = 62208
Step 73: 62208 + 864 = 63072
Step 74: 63072 + 864 = 63936
Step 75: 63936 + 864 = 64800
Step 76: 64800 + 864 = 65664
Step 77: 65664 + 864 = 66528
Step 78: 66528 + 864 = 67392
Step 79: 67392 + 864 = 68256
Step 80: 68256 + 864 = 69120
Step 81: 69120 + 864 = 69984
Step 82: 69984 + 864 = 70848
Step 83: 70848 + 864 = 71712
Step 84: 71712 + 864 = 72576
Step 85: 72576 + 864 = 73440
Step 86: 73440 + 864 = 74304
Step 87: 74304 + 864 = 75168
Step 88: 75168 + 864 = 76032
Step 89: 76032 + 864 = 76896
Step 90: 76896 + 864 = 77760
Step 91: 77760 + 864 = 78624
Step 92: 78624 + 864 = 79488
Step 93: 79488 + 864 = 80352
Step 94: 80352 + 864 = 81216
Step 95: 81216 + 864 = 82080
Step 96: 82080 + 864 = 82944
Step 97: 82944 + 864 = 83808
Step 98: 83808 + 864 = 84672
Step 99: 84672 + 864 = 85536
Step 100: 85536 + 864 = 86400
Step 101: 86400 + 864 = 87264
Step 102: 87264 + 864 = 88128
Step 103: 88128 + 864 = 88992
Step 104: 88992 + 864 = 89856
Step 105: 89856 + 864 = 90720
Step 106: 90720 + 864 = 91584
Step 107: 91584 + 864 = 92448
Step 108: 92448 + 864 = 93312
Step 109: 93312 + 864 = 94176
Step 110: 94176 + 864 = 95040
Step 111: 95040 + 864 = 95904
Step 112: 95904 + 864 = 96768
Step 113: 96768 + 864 = 97632
Step 114: 97632 + 864 = 98496
Step 115: 98496 + 864 = 99360
Step 116: 99360 + 864 = 100224

So, 864*116 = 100224