Alright, let's solve this math problem step by step. First, we have the number 306. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 136. So, we're going to take the number 306 and add it to itself 136 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

So, 306*136 = 41616