OK, let's crack this. We're given 306 and our task is to multiply it by 202. Essentially, we'll be adding 306 to itself 202 times.
Step 1: 0 + 306 = 306
Step 2: 306 + 306 = 612
Step 3: 612 + 306 = 918
Step 4: 918 + 306 = 1224
Step 5: 1224 + 306 = 1530
Step 6: 1530 + 306 = 1836
Step 7: 1836 + 306 = 2142
Step 8: 2142 + 306 = 2448
Step 9: 2448 + 306 = 2754
Step 10: 2754 + 306 = 3060
Step 11: 3060 + 306 = 3366
Step 12: 3366 + 306 = 3672
Step 13: 3672 + 306 = 3978
Step 14: 3978 + 306 = 4284
Step 15: 4284 + 306 = 4590
Step 16: 4590 + 306 = 4896
Step 17: 4896 + 306 = 5202
Step 18: 5202 + 306 = 5508
Step 19: 5508 + 306 = 5814
Step 20: 5814 + 306 = 6120
Step 21: 6120 + 306 = 6426
Step 22: 6426 + 306 = 6732
Step 23: 6732 + 306 = 7038
Step 24: 7038 + 306 = 7344
Step 25: 7344 + 306 = 7650
Step 26: 7650 + 306 = 7956
Step 27: 7956 + 306 = 8262
Step 28: 8262 + 306 = 8568
Step 29: 8568 + 306 = 8874
Step 30: 8874 + 306 = 9180
Step 31: 9180 + 306 = 9486
Step 32: 9486 + 306 = 9792
Step 33: 9792 + 306 = 10098
Step 34: 10098 + 306 = 10404
Step 35: 10404 + 306 = 10710
Step 36: 10710 + 306 = 11016
Step 37: 11016 + 306 = 11322
Step 38: 11322 + 306 = 11628
Step 39: 11628 + 306 = 11934
Step 40: 11934 + 306 = 12240
Step 41: 12240 + 306 = 12546
Step 42: 12546 + 306 = 12852
Step 43: 12852 + 306 = 13158
Step 44: 13158 + 306 = 13464
Step 45: 13464 + 306 = 13770
Step 46: 13770 + 306 = 14076
Step 47: 14076 + 306 = 14382
Step 48: 14382 + 306 = 14688
Step 49: 14688 + 306 = 14994
Step 50: 14994 + 306 = 15300
Step 51: 15300 + 306 = 15606
Step 52: 15606 + 306 = 15912
Step 53: 15912 + 306 = 16218
Step 54: 16218 + 306 = 16524
Step 55: 16524 + 306 = 16830
Step 56: 16830 + 306 = 17136
Step 57: 17136 + 306 = 17442
Step 58: 17442 + 306 = 17748
Step 59: 17748 + 306 = 18054
Step 60: 18054 + 306 = 18360
Step 61: 18360 + 306 = 18666
Step 62: 18666 + 306 = 18972
Step 63: 18972 + 306 = 19278
Step 64: 19278 + 306 = 19584
Step 65: 19584 + 306 = 19890
Step 66: 19890 + 306 = 20196
Step 67: 20196 + 306 = 20502
Step 68: 20502 + 306 = 20808
Step 69: 20808 + 306 = 21114
Step 70: 21114 + 306 = 21420
Step 71: 21420 + 306 = 21726
Step 72: 21726 + 306 = 22032
Step 73: 22032 + 306 = 22338
Step 74: 22338 + 306 = 22644
Step 75: 22644 + 306 = 22950
Step 76: 22950 + 306 = 23256
Step 77: 23256 + 306 = 23562
Step 78: 23562 + 306 = 23868
Step 79: 23868 + 306 = 24174
Step 80: 24174 + 306 = 24480
Step 81: 24480 + 306 = 24786
Step 82: 24786 + 306 = 25092
Step 83: 25092 + 306 = 25398
Step 84: 25398 + 306 = 25704
Step 85: 25704 + 306 = 26010
Step 86: 26010 + 306 = 26316
Step 87: 26316 + 306 = 26622
Step 88: 26622 + 306 = 26928
Step 89: 26928 + 306 = 27234
Step 90: 27234 + 306 = 27540
Step 91: 27540 + 306 = 27846
Step 92: 27846 + 306 = 28152
Step 93: 28152 + 306 = 28458
Step 94: 28458 + 306 = 28764
Step 95: 28764 + 306 = 29070
Step 96: 29070 + 306 = 29376
Step 97: 29376 + 306 = 29682
Step 98: 29682 + 306 = 29988
Step 99: 29988 + 306 = 30294
Step 100: 30294 + 306 = 30600
Step 101: 30600 + 306 = 30906
Step 102: 30906 + 306 = 31212
Step 103: 31212 + 306 = 31518
Step 104: 31518 + 306 = 31824
Step 105: 31824 + 306 = 32130
Step 106: 32130 + 306 = 32436
Step 107: 32436 + 306 = 32742
Step 108: 32742 + 306 = 33048
Step 109: 33048 + 306 = 33354
Step 110: 33354 + 306 = 33660
Step 111: 33660 + 306 = 33966
Step 112: 33966 + 306 = 34272
Step 113: 34272 + 306 = 34578
Step 114: 34578 + 306 = 34884
Step 115: 34884 + 306 = 35190
Step 116: 35190 + 306 = 35496
Step 117: 35496 + 306 = 35802
Step 118: 35802 + 306 = 36108
Step 119: 36108 + 306 = 36414
Step 120: 36414 + 306 = 36720
Step 121: 36720 + 306 = 37026
Step 122: 37026 + 306 = 37332
Step 123: 37332 + 306 = 37638
Step 124: 37638 + 306 = 37944
Step 125: 37944 + 306 = 38250
Step 126: 38250 + 306 = 38556
Step 127: 38556 + 306 = 38862
Step 128: 38862 + 306 = 39168
Step 129: 39168 + 306 = 39474
Step 130: 39474 + 306 = 39780
Step 131: 39780 + 306 = 40086
Step 132: 40086 + 306 = 40392
Step 133: 40392 + 306 = 40698
Step 134: 40698 + 306 = 41004
Step 135: 41004 + 306 = 41310
Step 136: 41310 + 306 = 41616
Step 137: 41616 + 306 = 41922
Step 138: 41922 + 306 = 42228
Step 139: 42228 + 306 = 42534
Step 140: 42534 + 306 = 42840
Step 141: 42840 + 306 = 43146
Step 142: 43146 + 306 = 43452
Step 143: 43452 + 306 = 43758
Step 144: 43758 + 306 = 44064
Step 145: 44064 + 306 = 44370
Step 146: 44370 + 306 = 44676
Step 147: 44676 + 306 = 44982
Step 148: 44982 + 306 = 45288
Step 149: 45288 + 306 = 45594
Step 150: 45594 + 306 = 45900
Step 151: 45900 + 306 = 46206
Step 152: 46206 + 306 = 46512
Step 153: 46512 + 306 = 46818
Step 154: 46818 + 306 = 47124
Step 155: 47124 + 306 = 47430
Step 156: 47430 + 306 = 47736
Step 157: 47736 + 306 = 48042
Step 158: 48042 + 306 = 48348
Step 159: 48348 + 306 = 48654
Step 160: 48654 + 306 = 48960
Step 161: 48960 + 306 = 49266
Step 162: 49266 + 306 = 49572
Step 163: 49572 + 306 = 49878
Step 164: 49878 + 306 = 50184
Step 165: 50184 + 306 = 50490
Step 166: 50490 + 306 = 50796
Step 167: 50796 + 306 = 51102
Step 168: 51102 + 306 = 51408
Step 169: 51408 + 306 = 51714
Step 170: 51714 + 306 = 52020
Step 171: 52020 + 306 = 52326
Step 172: 52326 + 306 = 52632
Step 173: 52632 + 306 = 52938
Step 174: 52938 + 306 = 53244
Step 175: 53244 + 306 = 53550
Step 176: 53550 + 306 = 53856
Step 177: 53856 + 306 = 54162
Step 178: 54162 + 306 = 54468
Step 179: 54468 + 306 = 54774
Step 180: 54774 + 306 = 55080
Step 181: 55080 + 306 = 55386
Step 182: 55386 + 306 = 55692
Step 183: 55692 + 306 = 55998
Step 184: 55998 + 306 = 56304
Step 185: 56304 + 306 = 56610
Step 186: 56610 + 306 = 56916
Step 187: 56916 + 306 = 57222
Step 188: 57222 + 306 = 57528
Step 189: 57528 + 306 = 57834
Step 190: 57834 + 306 = 58140
Step 191: 58140 + 306 = 58446
Step 192: 58446 + 306 = 58752
Step 193: 58752 + 306 = 59058
Step 194: 59058 + 306 = 59364
Step 195: 59364 + 306 = 59670
Step 196: 59670 + 306 = 59976
Step 197: 59976 + 306 = 60282
Step 198: 60282 + 306 = 60588
Step 199: 60588 + 306 = 60894
Step 200: 60894 + 306 = 61200
Step 201: 61200 + 306 = 61506
Step 202: 61506 + 306 = 61812

So, 306*202 = 61812