Alright, let's solve this math problem step by step. First, we have the number 330. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 91. So, we're going to take the number 330 and add it to itself 91 times.
Step 1: 0 + 330 = 330
Step 2: 330 + 330 = 660
Step 3: 660 + 330 = 990
Step 4: 990 + 330 = 1320
Step 5: 1320 + 330 = 1650
Step 6: 1650 + 330 = 1980
Step 7: 1980 + 330 = 2310
Step 8: 2310 + 330 = 2640
Step 9: 2640 + 330 = 2970
Step 10: 2970 + 330 = 3300
Step 11: 3300 + 330 = 3630
Step 12: 3630 + 330 = 3960
Step 13: 3960 + 330 = 4290
Step 14: 4290 + 330 = 4620
Step 15: 4620 + 330 = 4950
Step 16: 4950 + 330 = 5280
Step 17: 5280 + 330 = 5610
Step 18: 5610 + 330 = 5940
Step 19: 5940 + 330 = 6270
Step 20: 6270 + 330 = 6600
Step 21: 6600 + 330 = 6930
Step 22: 6930 + 330 = 7260
Step 23: 7260 + 330 = 7590
Step 24: 7590 + 330 = 7920
Step 25: 7920 + 330 = 8250
Step 26: 8250 + 330 = 8580
Step 27: 8580 + 330 = 8910
Step 28: 8910 + 330 = 9240
Step 29: 9240 + 330 = 9570
Step 30: 9570 + 330 = 9900
Step 31: 9900 + 330 = 10230
Step 32: 10230 + 330 = 10560
Step 33: 10560 + 330 = 10890
Step 34: 10890 + 330 = 11220
Step 35: 11220 + 330 = 11550
Step 36: 11550 + 330 = 11880
Step 37: 11880 + 330 = 12210
Step 38: 12210 + 330 = 12540
Step 39: 12540 + 330 = 12870
Step 40: 12870 + 330 = 13200
Step 41: 13200 + 330 = 13530
Step 42: 13530 + 330 = 13860
Step 43: 13860 + 330 = 14190
Step 44: 14190 + 330 = 14520
Step 45: 14520 + 330 = 14850
Step 46: 14850 + 330 = 15180
Step 47: 15180 + 330 = 15510
Step 48: 15510 + 330 = 15840
Step 49: 15840 + 330 = 16170
Step 50: 16170 + 330 = 16500
Step 51: 16500 + 330 = 16830
Step 52: 16830 + 330 = 17160
Step 53: 17160 + 330 = 17490
Step 54: 17490 + 330 = 17820
Step 55: 17820 + 330 = 18150
Step 56: 18150 + 330 = 18480
Step 57: 18480 + 330 = 18810
Step 58: 18810 + 330 = 19140
Step 59: 19140 + 330 = 19470
Step 60: 19470 + 330 = 19800
Step 61: 19800 + 330 = 20130
Step 62: 20130 + 330 = 20460
Step 63: 20460 + 330 = 20790
Step 64: 20790 + 330 = 21120
Step 65: 21120 + 330 = 21450
Step 66: 21450 + 330 = 21780
Step 67: 21780 + 330 = 22110
Step 68: 22110 + 330 = 22440
Step 69: 22440 + 330 = 22770
Step 70: 22770 + 330 = 23100
Step 71: 23100 + 330 = 23430
Step 72: 23430 + 330 = 23760
Step 73: 23760 + 330 = 24090
Step 74: 24090 + 330 = 24420
Step 75: 24420 + 330 = 24750
Step 76: 24750 + 330 = 25080
Step 77: 25080 + 330 = 25410
Step 78: 25410 + 330 = 25740
Step 79: 25740 + 330 = 26070
Step 80: 26070 + 330 = 26400
Step 81: 26400 + 330 = 26730
Step 82: 26730 + 330 = 27060
Step 83: 27060 + 330 = 27390
Step 84: 27390 + 330 = 27720
Step 85: 27720 + 330 = 28050
Step 86: 28050 + 330 = 28380
Step 87: 28380 + 330 = 28710
Step 88: 28710 + 330 = 29040
Step 89: 29040 + 330 = 29370
Step 90: 29370 + 330 = 29700
Step 91: 29700 + 330 = 30030

So, 330*91 = 30030