Alright, let's solve this math problem step by step. First, we have the number 66. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 235. So, we're going to take the number 66 and add it to itself 235 times.
Step 1: 0 + 66 = 66
Step 2: 66 + 66 = 132
Step 3: 132 + 66 = 198
Step 4: 198 + 66 = 264
Step 5: 264 + 66 = 330
Step 6: 330 + 66 = 396
Step 7: 396 + 66 = 462
Step 8: 462 + 66 = 528
Step 9: 528 + 66 = 594
Step 10: 594 + 66 = 660
Step 11: 660 + 66 = 726
Step 12: 726 + 66 = 792
Step 13: 792 + 66 = 858
Step 14: 858 + 66 = 924
Step 15: 924 + 66 = 990
Step 16: 990 + 66 = 1056
Step 17: 1056 + 66 = 1122
Step 18: 1122 + 66 = 1188
Step 19: 1188 + 66 = 1254
Step 20: 1254 + 66 = 1320
Step 21: 1320 + 66 = 1386
Step 22: 1386 + 66 = 1452
Step 23: 1452 + 66 = 1518
Step 24: 1518 + 66 = 1584
Step 25: 1584 + 66 = 1650
Step 26: 1650 + 66 = 1716
Step 27: 1716 + 66 = 1782
Step 28: 1782 + 66 = 1848
Step 29: 1848 + 66 = 1914
Step 30: 1914 + 66 = 1980
Step 31: 1980 + 66 = 2046
Step 32: 2046 + 66 = 2112
Step 33: 2112 + 66 = 2178
Step 34: 2178 + 66 = 2244
Step 35: 2244 + 66 = 2310
Step 36: 2310 + 66 = 2376
Step 37: 2376 + 66 = 2442
Step 38: 2442 + 66 = 2508
Step 39: 2508 + 66 = 2574
Step 40: 2574 + 66 = 2640
Step 41: 2640 + 66 = 2706
Step 42: 2706 + 66 = 2772
Step 43: 2772 + 66 = 2838
Step 44: 2838 + 66 = 2904
Step 45: 2904 + 66 = 2970
Step 46: 2970 + 66 = 3036
Step 47: 3036 + 66 = 3102
Step 48: 3102 + 66 = 3168
Step 49: 3168 + 66 = 3234
Step 50: 3234 + 66 = 3300
Step 51: 3300 + 66 = 3366
Step 52: 3366 + 66 = 3432
Step 53: 3432 + 66 = 3498
Step 54: 3498 + 66 = 3564
Step 55: 3564 + 66 = 3630
Step 56: 3630 + 66 = 3696
Step 57: 3696 + 66 = 3762
Step 58: 3762 + 66 = 3828
Step 59: 3828 + 66 = 3894
Step 60: 3894 + 66 = 3960
Step 61: 3960 + 66 = 4026
Step 62: 4026 + 66 = 4092
Step 63: 4092 + 66 = 4158
Step 64: 4158 + 66 = 4224
Step 65: 4224 + 66 = 4290
Step 66: 4290 + 66 = 4356
Step 67: 4356 + 66 = 4422
Step 68: 4422 + 66 = 4488
Step 69: 4488 + 66 = 4554
Step 70: 4554 + 66 = 4620
Step 71: 4620 + 66 = 4686
Step 72: 4686 + 66 = 4752
Step 73: 4752 + 66 = 4818
Step 74: 4818 + 66 = 4884
Step 75: 4884 + 66 = 4950
Step 76: 4950 + 66 = 5016
Step 77: 5016 + 66 = 5082
Step 78: 5082 + 66 = 5148
Step 79: 5148 + 66 = 5214
Step 80: 5214 + 66 = 5280
Step 81: 5280 + 66 = 5346
Step 82: 5346 + 66 = 5412
Step 83: 5412 + 66 = 5478
Step 84: 5478 + 66 = 5544
Step 85: 5544 + 66 = 5610
Step 86: 5610 + 66 = 5676
Step 87: 5676 + 66 = 5742
Step 88: 5742 + 66 = 5808
Step 89: 5808 + 66 = 5874
Step 90: 5874 + 66 = 5940
Step 91: 5940 + 66 = 6006
Step 92: 6006 + 66 = 6072
Step 93: 6072 + 66 = 6138
Step 94: 6138 + 66 = 6204
Step 95: 6204 + 66 = 6270
Step 96: 6270 + 66 = 6336
Step 97: 6336 + 66 = 6402
Step 98: 6402 + 66 = 6468
Step 99: 6468 + 66 = 6534
Step 100: 6534 + 66 = 6600
Step 101: 6600 + 66 = 6666
Step 102: 6666 + 66 = 6732
Step 103: 6732 + 66 = 6798
Step 104: 6798 + 66 = 6864
Step 105: 6864 + 66 = 6930
Step 106: 6930 + 66 = 6996
Step 107: 6996 + 66 = 7062
Step 108: 7062 + 66 = 7128
Step 109: 7128 + 66 = 7194
Step 110: 7194 + 66 = 7260
Step 111: 7260 + 66 = 7326
Step 112: 7326 + 66 = 7392
Step 113: 7392 + 66 = 7458
Step 114: 7458 + 66 = 7524
Step 115: 7524 + 66 = 7590
Step 116: 7590 + 66 = 7656
Step 117: 7656 + 66 = 7722
Step 118: 7722 + 66 = 7788
Step 119: 7788 + 66 = 7854
Step 120: 7854 + 66 = 7920
Step 121: 7920 + 66 = 7986
Step 122: 7986 + 66 = 8052
Step 123: 8052 + 66 = 8118
Step 124: 8118 + 66 = 8184
Step 125: 8184 + 66 = 8250
Step 126: 8250 + 66 = 8316
Step 127: 8316 + 66 = 8382
Step 128: 8382 + 66 = 8448
Step 129: 8448 + 66 = 8514
Step 130: 8514 + 66 = 8580
Step 131: 8580 + 66 = 8646
Step 132: 8646 + 66 = 8712
Step 133: 8712 + 66 = 8778
Step 134: 8778 + 66 = 8844
Step 135: 8844 + 66 = 8910
Step 136: 8910 + 66 = 8976
Step 137: 8976 + 66 = 9042
Step 138: 9042 + 66 = 9108
Step 139: 9108 + 66 = 9174
Step 140: 9174 + 66 = 9240
Step 141: 9240 + 66 = 9306
Step 142: 9306 + 66 = 9372
Step 143: 9372 + 66 = 9438
Step 144: 9438 + 66 = 9504
Step 145: 9504 + 66 = 9570
Step 146: 9570 + 66 = 9636
Step 147: 9636 + 66 = 9702
Step 148: 9702 + 66 = 9768
Step 149: 9768 + 66 = 9834
Step 150: 9834 + 66 = 9900
Step 151: 9900 + 66 = 9966
Step 152: 9966 + 66 = 10032
Step 153: 10032 + 66 = 10098
Step 154: 10098 + 66 = 10164
Step 155: 10164 + 66 = 10230
Step 156: 10230 + 66 = 10296
Step 157: 10296 + 66 = 10362
Step 158: 10362 + 66 = 10428
Step 159: 10428 + 66 = 10494
Step 160: 10494 + 66 = 10560
Step 161: 10560 + 66 = 10626
Step 162: 10626 + 66 = 10692
Step 163: 10692 + 66 = 10758
Step 164: 10758 + 66 = 10824
Step 165: 10824 + 66 = 10890
Step 166: 10890 + 66 = 10956
Step 167: 10956 + 66 = 11022
Step 168: 11022 + 66 = 11088
Step 169: 11088 + 66 = 11154
Step 170: 11154 + 66 = 11220
Step 171: 11220 + 66 = 11286
Step 172: 11286 + 66 = 11352
Step 173: 11352 + 66 = 11418
Step 174: 11418 + 66 = 11484
Step 175: 11484 + 66 = 11550
Step 176: 11550 + 66 = 11616
Step 177: 11616 + 66 = 11682
Step 178: 11682 + 66 = 11748
Step 179: 11748 + 66 = 11814
Step 180: 11814 + 66 = 11880
Step 181: 11880 + 66 = 11946
Step 182: 11946 + 66 = 12012
Step 183: 12012 + 66 = 12078
Step 184: 12078 + 66 = 12144
Step 185: 12144 + 66 = 12210
Step 186: 12210 + 66 = 12276
Step 187: 12276 + 66 = 12342
Step 188: 12342 + 66 = 12408
Step 189: 12408 + 66 = 12474
Step 190: 12474 + 66 = 12540
Step 191: 12540 + 66 = 12606
Step 192: 12606 + 66 = 12672
Step 193: 12672 + 66 = 12738
Step 194: 12738 + 66 = 12804
Step 195: 12804 + 66 = 12870
Step 196: 12870 + 66 = 12936
Step 197: 12936 + 66 = 13002
Step 198: 13002 + 66 = 13068
Step 199: 13068 + 66 = 13134
Step 200: 13134 + 66 = 13200
Step 201: 13200 + 66 = 13266
Step 202: 13266 + 66 = 13332
Step 203: 13332 + 66 = 13398
Step 204: 13398 + 66 = 13464
Step 205: 13464 + 66 = 13530
Step 206: 13530 + 66 = 13596
Step 207: 13596 + 66 = 13662
Step 208: 13662 + 66 = 13728
Step 209: 13728 + 66 = 13794
Step 210: 13794 + 66 = 13860
Step 211: 13860 + 66 = 13926
Step 212: 13926 + 66 = 13992
Step 213: 13992 + 66 = 14058
Step 214: 14058 + 66 = 14124
Step 215: 14124 + 66 = 14190
Step 216: 14190 + 66 = 14256
Step 217: 14256 + 66 = 14322
Step 218: 14322 + 66 = 14388
Step 219: 14388 + 66 = 14454
Step 220: 14454 + 66 = 14520
Step 221: 14520 + 66 = 14586
Step 222: 14586 + 66 = 14652
Step 223: 14652 + 66 = 14718
Step 224: 14718 + 66 = 14784
Step 225: 14784 + 66 = 14850
Step 226: 14850 + 66 = 14916
Step 227: 14916 + 66 = 14982
Step 228: 14982 + 66 = 15048
Step 229: 15048 + 66 = 15114
Step 230: 15114 + 66 = 15180
Step 231: 15180 + 66 = 15246
Step 232: 15246 + 66 = 15312
Step 233: 15312 + 66 = 15378
Step 234: 15378 + 66 = 15444
Step 235: 15444 + 66 = 15510

So, 66*235 = 15510