Alright, let's solve this math problem step by step. First, we have the number 215. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 154. So, we're going to take the number 215 and add it to itself 154 times.
Step 1: 0 + 215 = 215
Step 2: 215 + 215 = 430
Step 3: 430 + 215 = 645
Step 4: 645 + 215 = 860
Step 5: 860 + 215 = 1075
Step 6: 1075 + 215 = 1290
Step 7: 1290 + 215 = 1505
Step 8: 1505 + 215 = 1720
Step 9: 1720 + 215 = 1935
Step 10: 1935 + 215 = 2150
Step 11: 2150 + 215 = 2365
Step 12: 2365 + 215 = 2580
Step 13: 2580 + 215 = 2795
Step 14: 2795 + 215 = 3010
Step 15: 3010 + 215 = 3225
Step 16: 3225 + 215 = 3440
Step 17: 3440 + 215 = 3655
Step 18: 3655 + 215 = 3870
Step 19: 3870 + 215 = 4085
Step 20: 4085 + 215 = 4300
Step 21: 4300 + 215 = 4515
Step 22: 4515 + 215 = 4730
Step 23: 4730 + 215 = 4945
Step 24: 4945 + 215 = 5160
Step 25: 5160 + 215 = 5375
Step 26: 5375 + 215 = 5590
Step 27: 5590 + 215 = 5805
Step 28: 5805 + 215 = 6020
Step 29: 6020 + 215 = 6235
Step 30: 6235 + 215 = 6450
Step 31: 6450 + 215 = 6665
Step 32: 6665 + 215 = 6880
Step 33: 6880 + 215 = 7095
Step 34: 7095 + 215 = 7310
Step 35: 7310 + 215 = 7525
Step 36: 7525 + 215 = 7740
Step 37: 7740 + 215 = 7955
Step 38: 7955 + 215 = 8170
Step 39: 8170 + 215 = 8385
Step 40: 8385 + 215 = 8600
Step 41: 8600 + 215 = 8815
Step 42: 8815 + 215 = 9030
Step 43: 9030 + 215 = 9245
Step 44: 9245 + 215 = 9460
Step 45: 9460 + 215 = 9675
Step 46: 9675 + 215 = 9890
Step 47: 9890 + 215 = 10105
Step 48: 10105 + 215 = 10320
Step 49: 10320 + 215 = 10535
Step 50: 10535 + 215 = 10750
Step 51: 10750 + 215 = 10965
Step 52: 10965 + 215 = 11180
Step 53: 11180 + 215 = 11395
Step 54: 11395 + 215 = 11610
Step 55: 11610 + 215 = 11825
Step 56: 11825 + 215 = 12040
Step 57: 12040 + 215 = 12255
Step 58: 12255 + 215 = 12470
Step 59: 12470 + 215 = 12685
Step 60: 12685 + 215 = 12900
Step 61: 12900 + 215 = 13115
Step 62: 13115 + 215 = 13330
Step 63: 13330 + 215 = 13545
Step 64: 13545 + 215 = 13760
Step 65: 13760 + 215 = 13975
Step 66: 13975 + 215 = 14190
Step 67: 14190 + 215 = 14405
Step 68: 14405 + 215 = 14620
Step 69: 14620 + 215 = 14835
Step 70: 14835 + 215 = 15050
Step 71: 15050 + 215 = 15265
Step 72: 15265 + 215 = 15480
Step 73: 15480 + 215 = 15695
Step 74: 15695 + 215 = 15910
Step 75: 15910 + 215 = 16125
Step 76: 16125 + 215 = 16340
Step 77: 16340 + 215 = 16555
Step 78: 16555 + 215 = 16770
Step 79: 16770 + 215 = 16985
Step 80: 16985 + 215 = 17200
Step 81: 17200 + 215 = 17415
Step 82: 17415 + 215 = 17630
Step 83: 17630 + 215 = 17845
Step 84: 17845 + 215 = 18060
Step 85: 18060 + 215 = 18275
Step 86: 18275 + 215 = 18490
Step 87: 18490 + 215 = 18705
Step 88: 18705 + 215 = 18920
Step 89: 18920 + 215 = 19135
Step 90: 19135 + 215 = 19350
Step 91: 19350 + 215 = 19565
Step 92: 19565 + 215 = 19780
Step 93: 19780 + 215 = 19995
Step 94: 19995 + 215 = 20210
Step 95: 20210 + 215 = 20425
Step 96: 20425 + 215 = 20640
Step 97: 20640 + 215 = 20855
Step 98: 20855 + 215 = 21070
Step 99: 21070 + 215 = 21285
Step 100: 21285 + 215 = 21500
Step 101: 21500 + 215 = 21715
Step 102: 21715 + 215 = 21930
Step 103: 21930 + 215 = 22145
Step 104: 22145 + 215 = 22360
Step 105: 22360 + 215 = 22575
Step 106: 22575 + 215 = 22790
Step 107: 22790 + 215 = 23005
Step 108: 23005 + 215 = 23220
Step 109: 23220 + 215 = 23435
Step 110: 23435 + 215 = 23650
Step 111: 23650 + 215 = 23865
Step 112: 23865 + 215 = 24080
Step 113: 24080 + 215 = 24295
Step 114: 24295 + 215 = 24510
Step 115: 24510 + 215 = 24725
Step 116: 24725 + 215 = 24940
Step 117: 24940 + 215 = 25155
Step 118: 25155 + 215 = 25370
Step 119: 25370 + 215 = 25585
Step 120: 25585 + 215 = 25800
Step 121: 25800 + 215 = 26015
Step 122: 26015 + 215 = 26230
Step 123: 26230 + 215 = 26445
Step 124: 26445 + 215 = 26660
Step 125: 26660 + 215 = 26875
Step 126: 26875 + 215 = 27090
Step 127: 27090 + 215 = 27305
Step 128: 27305 + 215 = 27520
Step 129: 27520 + 215 = 27735
Step 130: 27735 + 215 = 27950
Step 131: 27950 + 215 = 28165
Step 132: 28165 + 215 = 28380
Step 133: 28380 + 215 = 28595
Step 134: 28595 + 215 = 28810
Step 135: 28810 + 215 = 29025
Step 136: 29025 + 215 = 29240
Step 137: 29240 + 215 = 29455
Step 138: 29455 + 215 = 29670
Step 139: 29670 + 215 = 29885
Step 140: 29885 + 215 = 30100
Step 141: 30100 + 215 = 30315
Step 142: 30315 + 215 = 30530
Step 143: 30530 + 215 = 30745
Step 144: 30745 + 215 = 30960
Step 145: 30960 + 215 = 31175
Step 146: 31175 + 215 = 31390
Step 147: 31390 + 215 = 31605
Step 148: 31605 + 215 = 31820
Step 149: 31820 + 215 = 32035
Step 150: 32035 + 215 = 32250
Step 151: 32250 + 215 = 32465
Step 152: 32465 + 215 = 32680
Step 153: 32680 + 215 = 32895
Step 154: 32895 + 215 = 33110

So, 215*154 = 33110