Sure thing, let's get straight to it. We start with 849 and we're going to multiply it by 310, which means adding 849 to itself 310 times.
Step 1: 0 + 849 = 849
Step 2: 849 + 849 = 1698
Step 3: 1698 + 849 = 2547
Step 4: 2547 + 849 = 3396
Step 5: 3396 + 849 = 4245
Step 6: 4245 + 849 = 5094
Step 7: 5094 + 849 = 5943
Step 8: 5943 + 849 = 6792
Step 9: 6792 + 849 = 7641
Step 10: 7641 + 849 = 8490
Step 11: 8490 + 849 = 9339
Step 12: 9339 + 849 = 10188
Step 13: 10188 + 849 = 11037
Step 14: 11037 + 849 = 11886
Step 15: 11886 + 849 = 12735
Step 16: 12735 + 849 = 13584
Step 17: 13584 + 849 = 14433
Step 18: 14433 + 849 = 15282
Step 19: 15282 + 849 = 16131
Step 20: 16131 + 849 = 16980
Step 21: 16980 + 849 = 17829
Step 22: 17829 + 849 = 18678
Step 23: 18678 + 849 = 19527
Step 24: 19527 + 849 = 20376
Step 25: 20376 + 849 = 21225
Step 26: 21225 + 849 = 22074
Step 27: 22074 + 849 = 22923
Step 28: 22923 + 849 = 23772
Step 29: 23772 + 849 = 24621
Step 30: 24621 + 849 = 25470
Step 31: 25470 + 849 = 26319
Step 32: 26319 + 849 = 27168
Step 33: 27168 + 849 = 28017
Step 34: 28017 + 849 = 28866
Step 35: 28866 + 849 = 29715
Step 36: 29715 + 849 = 30564
Step 37: 30564 + 849 = 31413
Step 38: 31413 + 849 = 32262
Step 39: 32262 + 849 = 33111
Step 40: 33111 + 849 = 33960
Step 41: 33960 + 849 = 34809
Step 42: 34809 + 849 = 35658
Step 43: 35658 + 849 = 36507
Step 44: 36507 + 849 = 37356
Step 45: 37356 + 849 = 38205
Step 46: 38205 + 849 = 39054
Step 47: 39054 + 849 = 39903
Step 48: 39903 + 849 = 40752
Step 49: 40752 + 849 = 41601
Step 50: 41601 + 849 = 42450
Step 51: 42450 + 849 = 43299
Step 52: 43299 + 849 = 44148
Step 53: 44148 + 849 = 44997
Step 54: 44997 + 849 = 45846
Step 55: 45846 + 849 = 46695
Step 56: 46695 + 849 = 47544
Step 57: 47544 + 849 = 48393
Step 58: 48393 + 849 = 49242
Step 59: 49242 + 849 = 50091
Step 60: 50091 + 849 = 50940
Step 61: 50940 + 849 = 51789
Step 62: 51789 + 849 = 52638
Step 63: 52638 + 849 = 53487
Step 64: 53487 + 849 = 54336
Step 65: 54336 + 849 = 55185
Step 66: 55185 + 849 = 56034
Step 67: 56034 + 849 = 56883
Step 68: 56883 + 849 = 57732
Step 69: 57732 + 849 = 58581
Step 70: 58581 + 849 = 59430
Step 71: 59430 + 849 = 60279
Step 72: 60279 + 849 = 61128
Step 73: 61128 + 849 = 61977
Step 74: 61977 + 849 = 62826
Step 75: 62826 + 849 = 63675
Step 76: 63675 + 849 = 64524
Step 77: 64524 + 849 = 65373
Step 78: 65373 + 849 = 66222
Step 79: 66222 + 849 = 67071
Step 80: 67071 + 849 = 67920
Step 81: 67920 + 849 = 68769
Step 82: 68769 + 849 = 69618
Step 83: 69618 + 849 = 70467
Step 84: 70467 + 849 = 71316
Step 85: 71316 + 849 = 72165
Step 86: 72165 + 849 = 73014
Step 87: 73014 + 849 = 73863
Step 88: 73863 + 849 = 74712
Step 89: 74712 + 849 = 75561
Step 90: 75561 + 849 = 76410
Step 91: 76410 + 849 = 77259
Step 92: 77259 + 849 = 78108
Step 93: 78108 + 849 = 78957
Step 94: 78957 + 849 = 79806
Step 95: 79806 + 849 = 80655
Step 96: 80655 + 849 = 81504
Step 97: 81504 + 849 = 82353
Step 98: 82353 + 849 = 83202
Step 99: 83202 + 849 = 84051
Step 100: 84051 + 849 = 84900
Step 101: 84900 + 849 = 85749
Step 102: 85749 + 849 = 86598
Step 103: 86598 + 849 = 87447
Step 104: 87447 + 849 = 88296
Step 105: 88296 + 849 = 89145
Step 106: 89145 + 849 = 89994
Step 107: 89994 + 849 = 90843
Step 108: 90843 + 849 = 91692
Step 109: 91692 + 849 = 92541
Step 110: 92541 + 849 = 93390
Step 111: 93390 + 849 = 94239
Step 112: 94239 + 849 = 95088
Step 113: 95088 + 849 = 95937
Step 114: 95937 + 849 = 96786
Step 115: 96786 + 849 = 97635
Step 116: 97635 + 849 = 98484
Step 117: 98484 + 849 = 99333
Step 118: 99333 + 849 = 100182
Step 119: 100182 + 849 = 101031
Step 120: 101031 + 849 = 101880
Step 121: 101880 + 849 = 102729
Step 122: 102729 + 849 = 103578
Step 123: 103578 + 849 = 104427
Step 124: 104427 + 849 = 105276
Step 125: 105276 + 849 = 106125
Step 126: 106125 + 849 = 106974
Step 127: 106974 + 849 = 107823
Step 128: 107823 + 849 = 108672
Step 129: 108672 + 849 = 109521
Step 130: 109521 + 849 = 110370
Step 131: 110370 + 849 = 111219
Step 132: 111219 + 849 = 112068
Step 133: 112068 + 849 = 112917
Step 134: 112917 + 849 = 113766
Step 135: 113766 + 849 = 114615
Step 136: 114615 + 849 = 115464
Step 137: 115464 + 849 = 116313
Step 138: 116313 + 849 = 117162
Step 139: 117162 + 849 = 118011
Step 140: 118011 + 849 = 118860
Step 141: 118860 + 849 = 119709
Step 142: 119709 + 849 = 120558
Step 143: 120558 + 849 = 121407
Step 144: 121407 + 849 = 122256
Step 145: 122256 + 849 = 123105
Step 146: 123105 + 849 = 123954
Step 147: 123954 + 849 = 124803
Step 148: 124803 + 849 = 125652
Step 149: 125652 + 849 = 126501
Step 150: 126501 + 849 = 127350
Step 151: 127350 + 849 = 128199
Step 152: 128199 + 849 = 129048
Step 153: 129048 + 849 = 129897
Step 154: 129897 + 849 = 130746
Step 155: 130746 + 849 = 131595
Step 156: 131595 + 849 = 132444
Step 157: 132444 + 849 = 133293
Step 158: 133293 + 849 = 134142
Step 159: 134142 + 849 = 134991
Step 160: 134991 + 849 = 135840
Step 161: 135840 + 849 = 136689
Step 162: 136689 + 849 = 137538
Step 163: 137538 + 849 = 138387
Step 164: 138387 + 849 = 139236
Step 165: 139236 + 849 = 140085
Step 166: 140085 + 849 = 140934
Step 167: 140934 + 849 = 141783
Step 168: 141783 + 849 = 142632
Step 169: 142632 + 849 = 143481
Step 170: 143481 + 849 = 144330
Step 171: 144330 + 849 = 145179
Step 172: 145179 + 849 = 146028
Step 173: 146028 + 849 = 146877
Step 174: 146877 + 849 = 147726
Step 175: 147726 + 849 = 148575
Step 176: 148575 + 849 = 149424
Step 177: 149424 + 849 = 150273
Step 178: 150273 + 849 = 151122
Step 179: 151122 + 849 = 151971
Step 180: 151971 + 849 = 152820
Step 181: 152820 + 849 = 153669
Step 182: 153669 + 849 = 154518
Step 183: 154518 + 849 = 155367
Step 184: 155367 + 849 = 156216
Step 185: 156216 + 849 = 157065
Step 186: 157065 + 849 = 157914
Step 187: 157914 + 849 = 158763
Step 188: 158763 + 849 = 159612
Step 189: 159612 + 849 = 160461
Step 190: 160461 + 849 = 161310
Step 191: 161310 + 849 = 162159
Step 192: 162159 + 849 = 163008
Step 193: 163008 + 849 = 163857
Step 194: 163857 + 849 = 164706
Step 195: 164706 + 849 = 165555
Step 196: 165555 + 849 = 166404
Step 197: 166404 + 849 = 167253
Step 198: 167253 + 849 = 168102
Step 199: 168102 + 849 = 168951
Step 200: 168951 + 849 = 169800
Step 201: 169800 + 849 = 170649
Step 202: 170649 + 849 = 171498
Step 203: 171498 + 849 = 172347
Step 204: 172347 + 849 = 173196
Step 205: 173196 + 849 = 174045
Step 206: 174045 + 849 = 174894
Step 207: 174894 + 849 = 175743
Step 208: 175743 + 849 = 176592
Step 209: 176592 + 849 = 177441
Step 210: 177441 + 849 = 178290
Step 211: 178290 + 849 = 179139
Step 212: 179139 + 849 = 179988
Step 213: 179988 + 849 = 180837
Step 214: 180837 + 849 = 181686
Step 215: 181686 + 849 = 182535
Step 216: 182535 + 849 = 183384
Step 217: 183384 + 849 = 184233
Step 218: 184233 + 849 = 185082
Step 219: 185082 + 849 = 185931
Step 220: 185931 + 849 = 186780
Step 221: 186780 + 849 = 187629
Step 222: 187629 + 849 = 188478
Step 223: 188478 + 849 = 189327
Step 224: 189327 + 849 = 190176
Step 225: 190176 + 849 = 191025
Step 226: 191025 + 849 = 191874
Step 227: 191874 + 849 = 192723
Step 228: 192723 + 849 = 193572
Step 229: 193572 + 849 = 194421
Step 230: 194421 + 849 = 195270
Step 231: 195270 + 849 = 196119
Step 232: 196119 + 849 = 196968
Step 233: 196968 + 849 = 197817
Step 234: 197817 + 849 = 198666
Step 235: 198666 + 849 = 199515
Step 236: 199515 + 849 = 200364
Step 237: 200364 + 849 = 201213
Step 238: 201213 + 849 = 202062
Step 239: 202062 + 849 = 202911
Step 240: 202911 + 849 = 203760
Step 241: 203760 + 849 = 204609
Step 242: 204609 + 849 = 205458
Step 243: 205458 + 849 = 206307
Step 244: 206307 + 849 = 207156
Step 245: 207156 + 849 = 208005
Step 246: 208005 + 849 = 208854
Step 247: 208854 + 849 = 209703
Step 248: 209703 + 849 = 210552
Step 249: 210552 + 849 = 211401
Step 250: 211401 + 849 = 212250
Step 251: 212250 + 849 = 213099
Step 252: 213099 + 849 = 213948
Step 253: 213948 + 849 = 214797
Step 254: 214797 + 849 = 215646
Step 255: 215646 + 849 = 216495
Step 256: 216495 + 849 = 217344
Step 257: 217344 + 849 = 218193
Step 258: 218193 + 849 = 219042
Step 259: 219042 + 849 = 219891
Step 260: 219891 + 849 = 220740
Step 261: 220740 + 849 = 221589
Step 262: 221589 + 849 = 222438
Step 263: 222438 + 849 = 223287
Step 264: 223287 + 849 = 224136
Step 265: 224136 + 849 = 224985
Step 266: 224985 + 849 = 225834
Step 267: 225834 + 849 = 226683
Step 268: 226683 + 849 = 227532
Step 269: 227532 + 849 = 228381
Step 270: 228381 + 849 = 229230
Step 271: 229230 + 849 = 230079
Step 272: 230079 + 849 = 230928
Step 273: 230928 + 849 = 231777
Step 274: 231777 + 849 = 232626
Step 275: 232626 + 849 = 233475
Step 276: 233475 + 849 = 234324
Step 277: 234324 + 849 = 235173
Step 278: 235173 + 849 = 236022
Step 279: 236022 + 849 = 236871
Step 280: 236871 + 849 = 237720
Step 281: 237720 + 849 = 238569
Step 282: 238569 + 849 = 239418
Step 283: 239418 + 849 = 240267
Step 284: 240267 + 849 = 241116
Step 285: 241116 + 849 = 241965
Step 286: 241965 + 849 = 242814
Step 287: 242814 + 849 = 243663
Step 288: 243663 + 849 = 244512
Step 289: 244512 + 849 = 245361
Step 290: 245361 + 849 = 246210
Step 291: 246210 + 849 = 247059
Step 292: 247059 + 849 = 247908
Step 293: 247908 + 849 = 248757
Step 294: 248757 + 849 = 249606
Step 295: 249606 + 849 = 250455
Step 296: 250455 + 849 = 251304
Step 297: 251304 + 849 = 252153
Step 298: 252153 + 849 = 253002
Step 299: 253002 + 849 = 253851
Step 300: 253851 + 849 = 254700
Step 301: 254700 + 849 = 255549
Step 302: 255549 + 849 = 256398
Step 303: 256398 + 849 = 257247
Step 304: 257247 + 849 = 258096
Step 305: 258096 + 849 = 258945
Step 306: 258945 + 849 = 259794
Step 307: 259794 + 849 = 260643
Step 308: 260643 + 849 = 261492
Step 309: 261492 + 849 = 262341
Step 310: 262341 + 849 = 263190

So, 849*310 = 263190