Alright, let's solve this math problem step by step. First, we have the number 854. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 66. So, we're going to take the number 854 and add it to itself 66 times.
Step 1: 0 + 854 = 854
Step 2: 854 + 854 = 1708
Step 3: 1708 + 854 = 2562
Step 4: 2562 + 854 = 3416
Step 5: 3416 + 854 = 4270
Step 6: 4270 + 854 = 5124
Step 7: 5124 + 854 = 5978
Step 8: 5978 + 854 = 6832
Step 9: 6832 + 854 = 7686
Step 10: 7686 + 854 = 8540
Step 11: 8540 + 854 = 9394
Step 12: 9394 + 854 = 10248
Step 13: 10248 + 854 = 11102
Step 14: 11102 + 854 = 11956
Step 15: 11956 + 854 = 12810
Step 16: 12810 + 854 = 13664
Step 17: 13664 + 854 = 14518
Step 18: 14518 + 854 = 15372
Step 19: 15372 + 854 = 16226
Step 20: 16226 + 854 = 17080
Step 21: 17080 + 854 = 17934
Step 22: 17934 + 854 = 18788
Step 23: 18788 + 854 = 19642
Step 24: 19642 + 854 = 20496
Step 25: 20496 + 854 = 21350
Step 26: 21350 + 854 = 22204
Step 27: 22204 + 854 = 23058
Step 28: 23058 + 854 = 23912
Step 29: 23912 + 854 = 24766
Step 30: 24766 + 854 = 25620
Step 31: 25620 + 854 = 26474
Step 32: 26474 + 854 = 27328
Step 33: 27328 + 854 = 28182
Step 34: 28182 + 854 = 29036
Step 35: 29036 + 854 = 29890
Step 36: 29890 + 854 = 30744
Step 37: 30744 + 854 = 31598
Step 38: 31598 + 854 = 32452
Step 39: 32452 + 854 = 33306
Step 40: 33306 + 854 = 34160
Step 41: 34160 + 854 = 35014
Step 42: 35014 + 854 = 35868
Step 43: 35868 + 854 = 36722
Step 44: 36722 + 854 = 37576
Step 45: 37576 + 854 = 38430
Step 46: 38430 + 854 = 39284
Step 47: 39284 + 854 = 40138
Step 48: 40138 + 854 = 40992
Step 49: 40992 + 854 = 41846
Step 50: 41846 + 854 = 42700
Step 51: 42700 + 854 = 43554
Step 52: 43554 + 854 = 44408
Step 53: 44408 + 854 = 45262
Step 54: 45262 + 854 = 46116
Step 55: 46116 + 854 = 46970
Step 56: 46970 + 854 = 47824
Step 57: 47824 + 854 = 48678
Step 58: 48678 + 854 = 49532
Step 59: 49532 + 854 = 50386
Step 60: 50386 + 854 = 51240
Step 61: 51240 + 854 = 52094
Step 62: 52094 + 854 = 52948
Step 63: 52948 + 854 = 53802
Step 64: 53802 + 854 = 54656
Step 65: 54656 + 854 = 55510
Step 66: 55510 + 854 = 56364

So, 854*66 = 56364