Let's roll up our sleeves and solve this. We have 352 and we're going to multiply it by 251, essentially adding 352 to itself 251 times.
Step 1: 0 + 352 = 352
Step 2: 352 + 352 = 704
Step 3: 704 + 352 = 1056
Step 4: 1056 + 352 = 1408
Step 5: 1408 + 352 = 1760
Step 6: 1760 + 352 = 2112
Step 7: 2112 + 352 = 2464
Step 8: 2464 + 352 = 2816
Step 9: 2816 + 352 = 3168
Step 10: 3168 + 352 = 3520
Step 11: 3520 + 352 = 3872
Step 12: 3872 + 352 = 4224
Step 13: 4224 + 352 = 4576
Step 14: 4576 + 352 = 4928
Step 15: 4928 + 352 = 5280
Step 16: 5280 + 352 = 5632
Step 17: 5632 + 352 = 5984
Step 18: 5984 + 352 = 6336
Step 19: 6336 + 352 = 6688
Step 20: 6688 + 352 = 7040
Step 21: 7040 + 352 = 7392
Step 22: 7392 + 352 = 7744
Step 23: 7744 + 352 = 8096
Step 24: 8096 + 352 = 8448
Step 25: 8448 + 352 = 8800
Step 26: 8800 + 352 = 9152
Step 27: 9152 + 352 = 9504
Step 28: 9504 + 352 = 9856
Step 29: 9856 + 352 = 10208
Step 30: 10208 + 352 = 10560
Step 31: 10560 + 352 = 10912
Step 32: 10912 + 352 = 11264
Step 33: 11264 + 352 = 11616
Step 34: 11616 + 352 = 11968
Step 35: 11968 + 352 = 12320
Step 36: 12320 + 352 = 12672
Step 37: 12672 + 352 = 13024
Step 38: 13024 + 352 = 13376
Step 39: 13376 + 352 = 13728
Step 40: 13728 + 352 = 14080
Step 41: 14080 + 352 = 14432
Step 42: 14432 + 352 = 14784
Step 43: 14784 + 352 = 15136
Step 44: 15136 + 352 = 15488
Step 45: 15488 + 352 = 15840
Step 46: 15840 + 352 = 16192
Step 47: 16192 + 352 = 16544
Step 48: 16544 + 352 = 16896
Step 49: 16896 + 352 = 17248
Step 50: 17248 + 352 = 17600
Step 51: 17600 + 352 = 17952
Step 52: 17952 + 352 = 18304
Step 53: 18304 + 352 = 18656
Step 54: 18656 + 352 = 19008
Step 55: 19008 + 352 = 19360
Step 56: 19360 + 352 = 19712
Step 57: 19712 + 352 = 20064
Step 58: 20064 + 352 = 20416
Step 59: 20416 + 352 = 20768
Step 60: 20768 + 352 = 21120
Step 61: 21120 + 352 = 21472
Step 62: 21472 + 352 = 21824
Step 63: 21824 + 352 = 22176
Step 64: 22176 + 352 = 22528
Step 65: 22528 + 352 = 22880
Step 66: 22880 + 352 = 23232
Step 67: 23232 + 352 = 23584
Step 68: 23584 + 352 = 23936
Step 69: 23936 + 352 = 24288
Step 70: 24288 + 352 = 24640
Step 71: 24640 + 352 = 24992
Step 72: 24992 + 352 = 25344
Step 73: 25344 + 352 = 25696
Step 74: 25696 + 352 = 26048
Step 75: 26048 + 352 = 26400
Step 76: 26400 + 352 = 26752
Step 77: 26752 + 352 = 27104
Step 78: 27104 + 352 = 27456
Step 79: 27456 + 352 = 27808
Step 80: 27808 + 352 = 28160
Step 81: 28160 + 352 = 28512
Step 82: 28512 + 352 = 28864
Step 83: 28864 + 352 = 29216
Step 84: 29216 + 352 = 29568
Step 85: 29568 + 352 = 29920
Step 86: 29920 + 352 = 30272
Step 87: 30272 + 352 = 30624
Step 88: 30624 + 352 = 30976
Step 89: 30976 + 352 = 31328
Step 90: 31328 + 352 = 31680
Step 91: 31680 + 352 = 32032
Step 92: 32032 + 352 = 32384
Step 93: 32384 + 352 = 32736
Step 94: 32736 + 352 = 33088
Step 95: 33088 + 352 = 33440
Step 96: 33440 + 352 = 33792
Step 97: 33792 + 352 = 34144
Step 98: 34144 + 352 = 34496
Step 99: 34496 + 352 = 34848
Step 100: 34848 + 352 = 35200
Step 101: 35200 + 352 = 35552
Step 102: 35552 + 352 = 35904
Step 103: 35904 + 352 = 36256
Step 104: 36256 + 352 = 36608
Step 105: 36608 + 352 = 36960
Step 106: 36960 + 352 = 37312
Step 107: 37312 + 352 = 37664
Step 108: 37664 + 352 = 38016
Step 109: 38016 + 352 = 38368
Step 110: 38368 + 352 = 38720
Step 111: 38720 + 352 = 39072
Step 112: 39072 + 352 = 39424
Step 113: 39424 + 352 = 39776
Step 114: 39776 + 352 = 40128
Step 115: 40128 + 352 = 40480
Step 116: 40480 + 352 = 40832
Step 117: 40832 + 352 = 41184
Step 118: 41184 + 352 = 41536
Step 119: 41536 + 352 = 41888
Step 120: 41888 + 352 = 42240
Step 121: 42240 + 352 = 42592
Step 122: 42592 + 352 = 42944
Step 123: 42944 + 352 = 43296
Step 124: 43296 + 352 = 43648
Step 125: 43648 + 352 = 44000
Step 126: 44000 + 352 = 44352
Step 127: 44352 + 352 = 44704
Step 128: 44704 + 352 = 45056
Step 129: 45056 + 352 = 45408
Step 130: 45408 + 352 = 45760
Step 131: 45760 + 352 = 46112
Step 132: 46112 + 352 = 46464
Step 133: 46464 + 352 = 46816
Step 134: 46816 + 352 = 47168
Step 135: 47168 + 352 = 47520
Step 136: 47520 + 352 = 47872
Step 137: 47872 + 352 = 48224
Step 138: 48224 + 352 = 48576
Step 139: 48576 + 352 = 48928
Step 140: 48928 + 352 = 49280
Step 141: 49280 + 352 = 49632
Step 142: 49632 + 352 = 49984
Step 143: 49984 + 352 = 50336
Step 144: 50336 + 352 = 50688
Step 145: 50688 + 352 = 51040
Step 146: 51040 + 352 = 51392
Step 147: 51392 + 352 = 51744
Step 148: 51744 + 352 = 52096
Step 149: 52096 + 352 = 52448
Step 150: 52448 + 352 = 52800
Step 151: 52800 + 352 = 53152
Step 152: 53152 + 352 = 53504
Step 153: 53504 + 352 = 53856
Step 154: 53856 + 352 = 54208
Step 155: 54208 + 352 = 54560
Step 156: 54560 + 352 = 54912
Step 157: 54912 + 352 = 55264
Step 158: 55264 + 352 = 55616
Step 159: 55616 + 352 = 55968
Step 160: 55968 + 352 = 56320
Step 161: 56320 + 352 = 56672
Step 162: 56672 + 352 = 57024
Step 163: 57024 + 352 = 57376
Step 164: 57376 + 352 = 57728
Step 165: 57728 + 352 = 58080
Step 166: 58080 + 352 = 58432
Step 167: 58432 + 352 = 58784
Step 168: 58784 + 352 = 59136
Step 169: 59136 + 352 = 59488
Step 170: 59488 + 352 = 59840
Step 171: 59840 + 352 = 60192
Step 172: 60192 + 352 = 60544
Step 173: 60544 + 352 = 60896
Step 174: 60896 + 352 = 61248
Step 175: 61248 + 352 = 61600
Step 176: 61600 + 352 = 61952
Step 177: 61952 + 352 = 62304
Step 178: 62304 + 352 = 62656
Step 179: 62656 + 352 = 63008
Step 180: 63008 + 352 = 63360
Step 181: 63360 + 352 = 63712
Step 182: 63712 + 352 = 64064
Step 183: 64064 + 352 = 64416
Step 184: 64416 + 352 = 64768
Step 185: 64768 + 352 = 65120
Step 186: 65120 + 352 = 65472
Step 187: 65472 + 352 = 65824
Step 188: 65824 + 352 = 66176
Step 189: 66176 + 352 = 66528
Step 190: 66528 + 352 = 66880
Step 191: 66880 + 352 = 67232
Step 192: 67232 + 352 = 67584
Step 193: 67584 + 352 = 67936
Step 194: 67936 + 352 = 68288
Step 195: 68288 + 352 = 68640
Step 196: 68640 + 352 = 68992
Step 197: 68992 + 352 = 69344
Step 198: 69344 + 352 = 69696
Step 199: 69696 + 352 = 70048
Step 200: 70048 + 352 = 70400
Step 201: 70400 + 352 = 70752
Step 202: 70752 + 352 = 71104
Step 203: 71104 + 352 = 71456
Step 204: 71456 + 352 = 71808
Step 205: 71808 + 352 = 72160
Step 206: 72160 + 352 = 72512
Step 207: 72512 + 352 = 72864
Step 208: 72864 + 352 = 73216
Step 209: 73216 + 352 = 73568
Step 210: 73568 + 352 = 73920
Step 211: 73920 + 352 = 74272
Step 212: 74272 + 352 = 74624
Step 213: 74624 + 352 = 74976
Step 214: 74976 + 352 = 75328
Step 215: 75328 + 352 = 75680
Step 216: 75680 + 352 = 76032
Step 217: 76032 + 352 = 76384
Step 218: 76384 + 352 = 76736
Step 219: 76736 + 352 = 77088
Step 220: 77088 + 352 = 77440
Step 221: 77440 + 352 = 77792
Step 222: 77792 + 352 = 78144
Step 223: 78144 + 352 = 78496
Step 224: 78496 + 352 = 78848
Step 225: 78848 + 352 = 79200
Step 226: 79200 + 352 = 79552
Step 227: 79552 + 352 = 79904
Step 228: 79904 + 352 = 80256
Step 229: 80256 + 352 = 80608
Step 230: 80608 + 352 = 80960
Step 231: 80960 + 352 = 81312
Step 232: 81312 + 352 = 81664
Step 233: 81664 + 352 = 82016
Step 234: 82016 + 352 = 82368
Step 235: 82368 + 352 = 82720
Step 236: 82720 + 352 = 83072
Step 237: 83072 + 352 = 83424
Step 238: 83424 + 352 = 83776
Step 239: 83776 + 352 = 84128
Step 240: 84128 + 352 = 84480
Step 241: 84480 + 352 = 84832
Step 242: 84832 + 352 = 85184
Step 243: 85184 + 352 = 85536
Step 244: 85536 + 352 = 85888
Step 245: 85888 + 352 = 86240
Step 246: 86240 + 352 = 86592
Step 247: 86592 + 352 = 86944
Step 248: 86944 + 352 = 87296
Step 249: 87296 + 352 = 87648
Step 250: 87648 + 352 = 88000
Step 251: 88000 + 352 = 88352

So, 352*251 = 88352