OK, let's work through this together. We're starting with 988 and we're going to multiply it by 377, which means we add 988 to itself 377 times.
Step 1: 0 + 988 = 988
Step 2: 988 + 988 = 1976
Step 3: 1976 + 988 = 2964
Step 4: 2964 + 988 = 3952
Step 5: 3952 + 988 = 4940
Step 6: 4940 + 988 = 5928
Step 7: 5928 + 988 = 6916
Step 8: 6916 + 988 = 7904
Step 9: 7904 + 988 = 8892
Step 10: 8892 + 988 = 9880
Step 11: 9880 + 988 = 10868
Step 12: 10868 + 988 = 11856
Step 13: 11856 + 988 = 12844
Step 14: 12844 + 988 = 13832
Step 15: 13832 + 988 = 14820
Step 16: 14820 + 988 = 15808
Step 17: 15808 + 988 = 16796
Step 18: 16796 + 988 = 17784
Step 19: 17784 + 988 = 18772
Step 20: 18772 + 988 = 19760
Step 21: 19760 + 988 = 20748
Step 22: 20748 + 988 = 21736
Step 23: 21736 + 988 = 22724
Step 24: 22724 + 988 = 23712
Step 25: 23712 + 988 = 24700
Step 26: 24700 + 988 = 25688
Step 27: 25688 + 988 = 26676
Step 28: 26676 + 988 = 27664
Step 29: 27664 + 988 = 28652
Step 30: 28652 + 988 = 29640
Step 31: 29640 + 988 = 30628
Step 32: 30628 + 988 = 31616
Step 33: 31616 + 988 = 32604
Step 34: 32604 + 988 = 33592
Step 35: 33592 + 988 = 34580
Step 36: 34580 + 988 = 35568
Step 37: 35568 + 988 = 36556
Step 38: 36556 + 988 = 37544
Step 39: 37544 + 988 = 38532
Step 40: 38532 + 988 = 39520
Step 41: 39520 + 988 = 40508
Step 42: 40508 + 988 = 41496
Step 43: 41496 + 988 = 42484
Step 44: 42484 + 988 = 43472
Step 45: 43472 + 988 = 44460
Step 46: 44460 + 988 = 45448
Step 47: 45448 + 988 = 46436
Step 48: 46436 + 988 = 47424
Step 49: 47424 + 988 = 48412
Step 50: 48412 + 988 = 49400
Step 51: 49400 + 988 = 50388
Step 52: 50388 + 988 = 51376
Step 53: 51376 + 988 = 52364
Step 54: 52364 + 988 = 53352
Step 55: 53352 + 988 = 54340
Step 56: 54340 + 988 = 55328
Step 57: 55328 + 988 = 56316
Step 58: 56316 + 988 = 57304
Step 59: 57304 + 988 = 58292
Step 60: 58292 + 988 = 59280
Step 61: 59280 + 988 = 60268
Step 62: 60268 + 988 = 61256
Step 63: 61256 + 988 = 62244
Step 64: 62244 + 988 = 63232
Step 65: 63232 + 988 = 64220
Step 66: 64220 + 988 = 65208
Step 67: 65208 + 988 = 66196
Step 68: 66196 + 988 = 67184
Step 69: 67184 + 988 = 68172
Step 70: 68172 + 988 = 69160
Step 71: 69160 + 988 = 70148
Step 72: 70148 + 988 = 71136
Step 73: 71136 + 988 = 72124
Step 74: 72124 + 988 = 73112
Step 75: 73112 + 988 = 74100
Step 76: 74100 + 988 = 75088
Step 77: 75088 + 988 = 76076
Step 78: 76076 + 988 = 77064
Step 79: 77064 + 988 = 78052
Step 80: 78052 + 988 = 79040
Step 81: 79040 + 988 = 80028
Step 82: 80028 + 988 = 81016
Step 83: 81016 + 988 = 82004
Step 84: 82004 + 988 = 82992
Step 85: 82992 + 988 = 83980
Step 86: 83980 + 988 = 84968
Step 87: 84968 + 988 = 85956
Step 88: 85956 + 988 = 86944
Step 89: 86944 + 988 = 87932
Step 90: 87932 + 988 = 88920
Step 91: 88920 + 988 = 89908
Step 92: 89908 + 988 = 90896
Step 93: 90896 + 988 = 91884
Step 94: 91884 + 988 = 92872
Step 95: 92872 + 988 = 93860
Step 96: 93860 + 988 = 94848
Step 97: 94848 + 988 = 95836
Step 98: 95836 + 988 = 96824
Step 99: 96824 + 988 = 97812
Step 100: 97812 + 988 = 98800
Step 101: 98800 + 988 = 99788
Step 102: 99788 + 988 = 100776
Step 103: 100776 + 988 = 101764
Step 104: 101764 + 988 = 102752
Step 105: 102752 + 988 = 103740
Step 106: 103740 + 988 = 104728
Step 107: 104728 + 988 = 105716
Step 108: 105716 + 988 = 106704
Step 109: 106704 + 988 = 107692
Step 110: 107692 + 988 = 108680
Step 111: 108680 + 988 = 109668
Step 112: 109668 + 988 = 110656
Step 113: 110656 + 988 = 111644
Step 114: 111644 + 988 = 112632
Step 115: 112632 + 988 = 113620
Step 116: 113620 + 988 = 114608
Step 117: 114608 + 988 = 115596
Step 118: 115596 + 988 = 116584
Step 119: 116584 + 988 = 117572
Step 120: 117572 + 988 = 118560
Step 121: 118560 + 988 = 119548
Step 122: 119548 + 988 = 120536
Step 123: 120536 + 988 = 121524
Step 124: 121524 + 988 = 122512
Step 125: 122512 + 988 = 123500
Step 126: 123500 + 988 = 124488
Step 127: 124488 + 988 = 125476
Step 128: 125476 + 988 = 126464
Step 129: 126464 + 988 = 127452
Step 130: 127452 + 988 = 128440
Step 131: 128440 + 988 = 129428
Step 132: 129428 + 988 = 130416
Step 133: 130416 + 988 = 131404
Step 134: 131404 + 988 = 132392
Step 135: 132392 + 988 = 133380
Step 136: 133380 + 988 = 134368
Step 137: 134368 + 988 = 135356
Step 138: 135356 + 988 = 136344
Step 139: 136344 + 988 = 137332
Step 140: 137332 + 988 = 138320
Step 141: 138320 + 988 = 139308
Step 142: 139308 + 988 = 140296
Step 143: 140296 + 988 = 141284
Step 144: 141284 + 988 = 142272
Step 145: 142272 + 988 = 143260
Step 146: 143260 + 988 = 144248
Step 147: 144248 + 988 = 145236
Step 148: 145236 + 988 = 146224
Step 149: 146224 + 988 = 147212
Step 150: 147212 + 988 = 148200
Step 151: 148200 + 988 = 149188
Step 152: 149188 + 988 = 150176
Step 153: 150176 + 988 = 151164
Step 154: 151164 + 988 = 152152
Step 155: 152152 + 988 = 153140
Step 156: 153140 + 988 = 154128
Step 157: 154128 + 988 = 155116
Step 158: 155116 + 988 = 156104
Step 159: 156104 + 988 = 157092
Step 160: 157092 + 988 = 158080
Step 161: 158080 + 988 = 159068
Step 162: 159068 + 988 = 160056
Step 163: 160056 + 988 = 161044
Step 164: 161044 + 988 = 162032
Step 165: 162032 + 988 = 163020
Step 166: 163020 + 988 = 164008
Step 167: 164008 + 988 = 164996
Step 168: 164996 + 988 = 165984
Step 169: 165984 + 988 = 166972
Step 170: 166972 + 988 = 167960
Step 171: 167960 + 988 = 168948
Step 172: 168948 + 988 = 169936
Step 173: 169936 + 988 = 170924
Step 174: 170924 + 988 = 171912
Step 175: 171912 + 988 = 172900
Step 176: 172900 + 988 = 173888
Step 177: 173888 + 988 = 174876
Step 178: 174876 + 988 = 175864
Step 179: 175864 + 988 = 176852
Step 180: 176852 + 988 = 177840
Step 181: 177840 + 988 = 178828
Step 182: 178828 + 988 = 179816
Step 183: 179816 + 988 = 180804
Step 184: 180804 + 988 = 181792
Step 185: 181792 + 988 = 182780
Step 186: 182780 + 988 = 183768
Step 187: 183768 + 988 = 184756
Step 188: 184756 + 988 = 185744
Step 189: 185744 + 988 = 186732
Step 190: 186732 + 988 = 187720
Step 191: 187720 + 988 = 188708
Step 192: 188708 + 988 = 189696
Step 193: 189696 + 988 = 190684
Step 194: 190684 + 988 = 191672
Step 195: 191672 + 988 = 192660
Step 196: 192660 + 988 = 193648
Step 197: 193648 + 988 = 194636
Step 198: 194636 + 988 = 195624
Step 199: 195624 + 988 = 196612
Step 200: 196612 + 988 = 197600
Step 201: 197600 + 988 = 198588
Step 202: 198588 + 988 = 199576
Step 203: 199576 + 988 = 200564
Step 204: 200564 + 988 = 201552
Step 205: 201552 + 988 = 202540
Step 206: 202540 + 988 = 203528
Step 207: 203528 + 988 = 204516
Step 208: 204516 + 988 = 205504
Step 209: 205504 + 988 = 206492
Step 210: 206492 + 988 = 207480
Step 211: 207480 + 988 = 208468
Step 212: 208468 + 988 = 209456
Step 213: 209456 + 988 = 210444
Step 214: 210444 + 988 = 211432
Step 215: 211432 + 988 = 212420
Step 216: 212420 + 988 = 213408
Step 217: 213408 + 988 = 214396
Step 218: 214396 + 988 = 215384
Step 219: 215384 + 988 = 216372
Step 220: 216372 + 988 = 217360
Step 221: 217360 + 988 = 218348
Step 222: 218348 + 988 = 219336
Step 223: 219336 + 988 = 220324
Step 224: 220324 + 988 = 221312
Step 225: 221312 + 988 = 222300
Step 226: 222300 + 988 = 223288
Step 227: 223288 + 988 = 224276
Step 228: 224276 + 988 = 225264
Step 229: 225264 + 988 = 226252
Step 230: 226252 + 988 = 227240
Step 231: 227240 + 988 = 228228
Step 232: 228228 + 988 = 229216
Step 233: 229216 + 988 = 230204
Step 234: 230204 + 988 = 231192
Step 235: 231192 + 988 = 232180
Step 236: 232180 + 988 = 233168
Step 237: 233168 + 988 = 234156
Step 238: 234156 + 988 = 235144
Step 239: 235144 + 988 = 236132
Step 240: 236132 + 988 = 237120
Step 241: 237120 + 988 = 238108
Step 242: 238108 + 988 = 239096
Step 243: 239096 + 988 = 240084
Step 244: 240084 + 988 = 241072
Step 245: 241072 + 988 = 242060
Step 246: 242060 + 988 = 243048
Step 247: 243048 + 988 = 244036
Step 248: 244036 + 988 = 245024
Step 249: 245024 + 988 = 246012
Step 250: 246012 + 988 = 247000
Step 251: 247000 + 988 = 247988
Step 252: 247988 + 988 = 248976
Step 253: 248976 + 988 = 249964
Step 254: 249964 + 988 = 250952
Step 255: 250952 + 988 = 251940
Step 256: 251940 + 988 = 252928
Step 257: 252928 + 988 = 253916
Step 258: 253916 + 988 = 254904
Step 259: 254904 + 988 = 255892
Step 260: 255892 + 988 = 256880
Step 261: 256880 + 988 = 257868
Step 262: 257868 + 988 = 258856
Step 263: 258856 + 988 = 259844
Step 264: 259844 + 988 = 260832
Step 265: 260832 + 988 = 261820
Step 266: 261820 + 988 = 262808
Step 267: 262808 + 988 = 263796
Step 268: 263796 + 988 = 264784
Step 269: 264784 + 988 = 265772
Step 270: 265772 + 988 = 266760
Step 271: 266760 + 988 = 267748
Step 272: 267748 + 988 = 268736
Step 273: 268736 + 988 = 269724
Step 274: 269724 + 988 = 270712
Step 275: 270712 + 988 = 271700
Step 276: 271700 + 988 = 272688
Step 277: 272688 + 988 = 273676
Step 278: 273676 + 988 = 274664
Step 279: 274664 + 988 = 275652
Step 280: 275652 + 988 = 276640
Step 281: 276640 + 988 = 277628
Step 282: 277628 + 988 = 278616
Step 283: 278616 + 988 = 279604
Step 284: 279604 + 988 = 280592
Step 285: 280592 + 988 = 281580
Step 286: 281580 + 988 = 282568
Step 287: 282568 + 988 = 283556
Step 288: 283556 + 988 = 284544
Step 289: 284544 + 988 = 285532
Step 290: 285532 + 988 = 286520
Step 291: 286520 + 988 = 287508
Step 292: 287508 + 988 = 288496
Step 293: 288496 + 988 = 289484
Step 294: 289484 + 988 = 290472
Step 295: 290472 + 988 = 291460
Step 296: 291460 + 988 = 292448
Step 297: 292448 + 988 = 293436
Step 298: 293436 + 988 = 294424
Step 299: 294424 + 988 = 295412
Step 300: 295412 + 988 = 296400
Step 301: 296400 + 988 = 297388
Step 302: 297388 + 988 = 298376
Step 303: 298376 + 988 = 299364
Step 304: 299364 + 988 = 300352
Step 305: 300352 + 988 = 301340
Step 306: 301340 + 988 = 302328
Step 307: 302328 + 988 = 303316
Step 308: 303316 + 988 = 304304
Step 309: 304304 + 988 = 305292
Step 310: 305292 + 988 = 306280
Step 311: 306280 + 988 = 307268
Step 312: 307268 + 988 = 308256
Step 313: 308256 + 988 = 309244
Step 314: 309244 + 988 = 310232
Step 315: 310232 + 988 = 311220
Step 316: 311220 + 988 = 312208
Step 317: 312208 + 988 = 313196
Step 318: 313196 + 988 = 314184
Step 319: 314184 + 988 = 315172
Step 320: 315172 + 988 = 316160
Step 321: 316160 + 988 = 317148
Step 322: 317148 + 988 = 318136
Step 323: 318136 + 988 = 319124
Step 324: 319124 + 988 = 320112
Step 325: 320112 + 988 = 321100
Step 326: 321100 + 988 = 322088
Step 327: 322088 + 988 = 323076
Step 328: 323076 + 988 = 324064
Step 329: 324064 + 988 = 325052
Step 330: 325052 + 988 = 326040
Step 331: 326040 + 988 = 327028
Step 332: 327028 + 988 = 328016
Step 333: 328016 + 988 = 329004
Step 334: 329004 + 988 = 329992
Step 335: 329992 + 988 = 330980
Step 336: 330980 + 988 = 331968
Step 337: 331968 + 988 = 332956
Step 338: 332956 + 988 = 333944
Step 339: 333944 + 988 = 334932
Step 340: 334932 + 988 = 335920
Step 341: 335920 + 988 = 336908
Step 342: 336908 + 988 = 337896
Step 343: 337896 + 988 = 338884
Step 344: 338884 + 988 = 339872
Step 345: 339872 + 988 = 340860
Step 346: 340860 + 988 = 341848
Step 347: 341848 + 988 = 342836
Step 348: 342836 + 988 = 343824
Step 349: 343824 + 988 = 344812
Step 350: 344812 + 988 = 345800
Step 351: 345800 + 988 = 346788
Step 352: 346788 + 988 = 347776
Step 353: 347776 + 988 = 348764
Step 354: 348764 + 988 = 349752
Step 355: 349752 + 988 = 350740
Step 356: 350740 + 988 = 351728
Step 357: 351728 + 988 = 352716
Step 358: 352716 + 988 = 353704
Step 359: 353704 + 988 = 354692
Step 360: 354692 + 988 = 355680
Step 361: 355680 + 988 = 356668
Step 362: 356668 + 988 = 357656
Step 363: 357656 + 988 = 358644
Step 364: 358644 + 988 = 359632
Step 365: 359632 + 988 = 360620
Step 366: 360620 + 988 = 361608
Step 367: 361608 + 988 = 362596
Step 368: 362596 + 988 = 363584
Step 369: 363584 + 988 = 364572
Step 370: 364572 + 988 = 365560
Step 371: 365560 + 988 = 366548
Step 372: 366548 + 988 = 367536
Step 373: 367536 + 988 = 368524
Step 374: 368524 + 988 = 369512
Step 375: 369512 + 988 = 370500
Step 376: 370500 + 988 = 371488
Step 377: 371488 + 988 = 372476

So, 988*377 = 372476