Alright, let's solve this math problem step by step. First, we have the number 431. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 312. So, we're going to take the number 431 and add it to itself 312 times.
Step 1: 0 + 431 = 431
Step 2: 431 + 431 = 862
Step 3: 862 + 431 = 1293
Step 4: 1293 + 431 = 1724
Step 5: 1724 + 431 = 2155
Step 6: 2155 + 431 = 2586
Step 7: 2586 + 431 = 3017
Step 8: 3017 + 431 = 3448
Step 9: 3448 + 431 = 3879
Step 10: 3879 + 431 = 4310
Step 11: 4310 + 431 = 4741
Step 12: 4741 + 431 = 5172
Step 13: 5172 + 431 = 5603
Step 14: 5603 + 431 = 6034
Step 15: 6034 + 431 = 6465
Step 16: 6465 + 431 = 6896
Step 17: 6896 + 431 = 7327
Step 18: 7327 + 431 = 7758
Step 19: 7758 + 431 = 8189
Step 20: 8189 + 431 = 8620
Step 21: 8620 + 431 = 9051
Step 22: 9051 + 431 = 9482
Step 23: 9482 + 431 = 9913
Step 24: 9913 + 431 = 10344
Step 25: 10344 + 431 = 10775
Step 26: 10775 + 431 = 11206
Step 27: 11206 + 431 = 11637
Step 28: 11637 + 431 = 12068
Step 29: 12068 + 431 = 12499
Step 30: 12499 + 431 = 12930
Step 31: 12930 + 431 = 13361
Step 32: 13361 + 431 = 13792
Step 33: 13792 + 431 = 14223
Step 34: 14223 + 431 = 14654
Step 35: 14654 + 431 = 15085
Step 36: 15085 + 431 = 15516
Step 37: 15516 + 431 = 15947
Step 38: 15947 + 431 = 16378
Step 39: 16378 + 431 = 16809
Step 40: 16809 + 431 = 17240
Step 41: 17240 + 431 = 17671
Step 42: 17671 + 431 = 18102
Step 43: 18102 + 431 = 18533
Step 44: 18533 + 431 = 18964
Step 45: 18964 + 431 = 19395
Step 46: 19395 + 431 = 19826
Step 47: 19826 + 431 = 20257
Step 48: 20257 + 431 = 20688
Step 49: 20688 + 431 = 21119
Step 50: 21119 + 431 = 21550
Step 51: 21550 + 431 = 21981
Step 52: 21981 + 431 = 22412
Step 53: 22412 + 431 = 22843
Step 54: 22843 + 431 = 23274
Step 55: 23274 + 431 = 23705
Step 56: 23705 + 431 = 24136
Step 57: 24136 + 431 = 24567
Step 58: 24567 + 431 = 24998
Step 59: 24998 + 431 = 25429
Step 60: 25429 + 431 = 25860
Step 61: 25860 + 431 = 26291
Step 62: 26291 + 431 = 26722
Step 63: 26722 + 431 = 27153
Step 64: 27153 + 431 = 27584
Step 65: 27584 + 431 = 28015
Step 66: 28015 + 431 = 28446
Step 67: 28446 + 431 = 28877
Step 68: 28877 + 431 = 29308
Step 69: 29308 + 431 = 29739
Step 70: 29739 + 431 = 30170
Step 71: 30170 + 431 = 30601
Step 72: 30601 + 431 = 31032
Step 73: 31032 + 431 = 31463
Step 74: 31463 + 431 = 31894
Step 75: 31894 + 431 = 32325
Step 76: 32325 + 431 = 32756
Step 77: 32756 + 431 = 33187
Step 78: 33187 + 431 = 33618
Step 79: 33618 + 431 = 34049
Step 80: 34049 + 431 = 34480
Step 81: 34480 + 431 = 34911
Step 82: 34911 + 431 = 35342
Step 83: 35342 + 431 = 35773
Step 84: 35773 + 431 = 36204
Step 85: 36204 + 431 = 36635
Step 86: 36635 + 431 = 37066
Step 87: 37066 + 431 = 37497
Step 88: 37497 + 431 = 37928
Step 89: 37928 + 431 = 38359
Step 90: 38359 + 431 = 38790
Step 91: 38790 + 431 = 39221
Step 92: 39221 + 431 = 39652
Step 93: 39652 + 431 = 40083
Step 94: 40083 + 431 = 40514
Step 95: 40514 + 431 = 40945
Step 96: 40945 + 431 = 41376
Step 97: 41376 + 431 = 41807
Step 98: 41807 + 431 = 42238
Step 99: 42238 + 431 = 42669
Step 100: 42669 + 431 = 43100
Step 101: 43100 + 431 = 43531
Step 102: 43531 + 431 = 43962
Step 103: 43962 + 431 = 44393
Step 104: 44393 + 431 = 44824
Step 105: 44824 + 431 = 45255
Step 106: 45255 + 431 = 45686
Step 107: 45686 + 431 = 46117
Step 108: 46117 + 431 = 46548
Step 109: 46548 + 431 = 46979
Step 110: 46979 + 431 = 47410
Step 111: 47410 + 431 = 47841
Step 112: 47841 + 431 = 48272
Step 113: 48272 + 431 = 48703
Step 114: 48703 + 431 = 49134
Step 115: 49134 + 431 = 49565
Step 116: 49565 + 431 = 49996
Step 117: 49996 + 431 = 50427
Step 118: 50427 + 431 = 50858
Step 119: 50858 + 431 = 51289
Step 120: 51289 + 431 = 51720
Step 121: 51720 + 431 = 52151
Step 122: 52151 + 431 = 52582
Step 123: 52582 + 431 = 53013
Step 124: 53013 + 431 = 53444
Step 125: 53444 + 431 = 53875
Step 126: 53875 + 431 = 54306
Step 127: 54306 + 431 = 54737
Step 128: 54737 + 431 = 55168
Step 129: 55168 + 431 = 55599
Step 130: 55599 + 431 = 56030
Step 131: 56030 + 431 = 56461
Step 132: 56461 + 431 = 56892
Step 133: 56892 + 431 = 57323
Step 134: 57323 + 431 = 57754
Step 135: 57754 + 431 = 58185
Step 136: 58185 + 431 = 58616
Step 137: 58616 + 431 = 59047
Step 138: 59047 + 431 = 59478
Step 139: 59478 + 431 = 59909
Step 140: 59909 + 431 = 60340
Step 141: 60340 + 431 = 60771
Step 142: 60771 + 431 = 61202
Step 143: 61202 + 431 = 61633
Step 144: 61633 + 431 = 62064
Step 145: 62064 + 431 = 62495
Step 146: 62495 + 431 = 62926
Step 147: 62926 + 431 = 63357
Step 148: 63357 + 431 = 63788
Step 149: 63788 + 431 = 64219
Step 150: 64219 + 431 = 64650
Step 151: 64650 + 431 = 65081
Step 152: 65081 + 431 = 65512
Step 153: 65512 + 431 = 65943
Step 154: 65943 + 431 = 66374
Step 155: 66374 + 431 = 66805
Step 156: 66805 + 431 = 67236
Step 157: 67236 + 431 = 67667
Step 158: 67667 + 431 = 68098
Step 159: 68098 + 431 = 68529
Step 160: 68529 + 431 = 68960
Step 161: 68960 + 431 = 69391
Step 162: 69391 + 431 = 69822
Step 163: 69822 + 431 = 70253
Step 164: 70253 + 431 = 70684
Step 165: 70684 + 431 = 71115
Step 166: 71115 + 431 = 71546
Step 167: 71546 + 431 = 71977
Step 168: 71977 + 431 = 72408
Step 169: 72408 + 431 = 72839
Step 170: 72839 + 431 = 73270
Step 171: 73270 + 431 = 73701
Step 172: 73701 + 431 = 74132
Step 173: 74132 + 431 = 74563
Step 174: 74563 + 431 = 74994
Step 175: 74994 + 431 = 75425
Step 176: 75425 + 431 = 75856
Step 177: 75856 + 431 = 76287
Step 178: 76287 + 431 = 76718
Step 179: 76718 + 431 = 77149
Step 180: 77149 + 431 = 77580
Step 181: 77580 + 431 = 78011
Step 182: 78011 + 431 = 78442
Step 183: 78442 + 431 = 78873
Step 184: 78873 + 431 = 79304
Step 185: 79304 + 431 = 79735
Step 186: 79735 + 431 = 80166
Step 187: 80166 + 431 = 80597
Step 188: 80597 + 431 = 81028
Step 189: 81028 + 431 = 81459
Step 190: 81459 + 431 = 81890
Step 191: 81890 + 431 = 82321
Step 192: 82321 + 431 = 82752
Step 193: 82752 + 431 = 83183
Step 194: 83183 + 431 = 83614
Step 195: 83614 + 431 = 84045
Step 196: 84045 + 431 = 84476
Step 197: 84476 + 431 = 84907
Step 198: 84907 + 431 = 85338
Step 199: 85338 + 431 = 85769
Step 200: 85769 + 431 = 86200
Step 201: 86200 + 431 = 86631
Step 202: 86631 + 431 = 87062
Step 203: 87062 + 431 = 87493
Step 204: 87493 + 431 = 87924
Step 205: 87924 + 431 = 88355
Step 206: 88355 + 431 = 88786
Step 207: 88786 + 431 = 89217
Step 208: 89217 + 431 = 89648
Step 209: 89648 + 431 = 90079
Step 210: 90079 + 431 = 90510
Step 211: 90510 + 431 = 90941
Step 212: 90941 + 431 = 91372
Step 213: 91372 + 431 = 91803
Step 214: 91803 + 431 = 92234
Step 215: 92234 + 431 = 92665
Step 216: 92665 + 431 = 93096
Step 217: 93096 + 431 = 93527
Step 218: 93527 + 431 = 93958
Step 219: 93958 + 431 = 94389
Step 220: 94389 + 431 = 94820
Step 221: 94820 + 431 = 95251
Step 222: 95251 + 431 = 95682
Step 223: 95682 + 431 = 96113
Step 224: 96113 + 431 = 96544
Step 225: 96544 + 431 = 96975
Step 226: 96975 + 431 = 97406
Step 227: 97406 + 431 = 97837
Step 228: 97837 + 431 = 98268
Step 229: 98268 + 431 = 98699
Step 230: 98699 + 431 = 99130
Step 231: 99130 + 431 = 99561
Step 232: 99561 + 431 = 99992
Step 233: 99992 + 431 = 100423
Step 234: 100423 + 431 = 100854
Step 235: 100854 + 431 = 101285
Step 236: 101285 + 431 = 101716
Step 237: 101716 + 431 = 102147
Step 238: 102147 + 431 = 102578
Step 239: 102578 + 431 = 103009
Step 240: 103009 + 431 = 103440
Step 241: 103440 + 431 = 103871
Step 242: 103871 + 431 = 104302
Step 243: 104302 + 431 = 104733
Step 244: 104733 + 431 = 105164
Step 245: 105164 + 431 = 105595
Step 246: 105595 + 431 = 106026
Step 247: 106026 + 431 = 106457
Step 248: 106457 + 431 = 106888
Step 249: 106888 + 431 = 107319
Step 250: 107319 + 431 = 107750
Step 251: 107750 + 431 = 108181
Step 252: 108181 + 431 = 108612
Step 253: 108612 + 431 = 109043
Step 254: 109043 + 431 = 109474
Step 255: 109474 + 431 = 109905
Step 256: 109905 + 431 = 110336
Step 257: 110336 + 431 = 110767
Step 258: 110767 + 431 = 111198
Step 259: 111198 + 431 = 111629
Step 260: 111629 + 431 = 112060
Step 261: 112060 + 431 = 112491
Step 262: 112491 + 431 = 112922
Step 263: 112922 + 431 = 113353
Step 264: 113353 + 431 = 113784
Step 265: 113784 + 431 = 114215
Step 266: 114215 + 431 = 114646
Step 267: 114646 + 431 = 115077
Step 268: 115077 + 431 = 115508
Step 269: 115508 + 431 = 115939
Step 270: 115939 + 431 = 116370
Step 271: 116370 + 431 = 116801
Step 272: 116801 + 431 = 117232
Step 273: 117232 + 431 = 117663
Step 274: 117663 + 431 = 118094
Step 275: 118094 + 431 = 118525
Step 276: 118525 + 431 = 118956
Step 277: 118956 + 431 = 119387
Step 278: 119387 + 431 = 119818
Step 279: 119818 + 431 = 120249
Step 280: 120249 + 431 = 120680
Step 281: 120680 + 431 = 121111
Step 282: 121111 + 431 = 121542
Step 283: 121542 + 431 = 121973
Step 284: 121973 + 431 = 122404
Step 285: 122404 + 431 = 122835
Step 286: 122835 + 431 = 123266
Step 287: 123266 + 431 = 123697
Step 288: 123697 + 431 = 124128
Step 289: 124128 + 431 = 124559
Step 290: 124559 + 431 = 124990
Step 291: 124990 + 431 = 125421
Step 292: 125421 + 431 = 125852
Step 293: 125852 + 431 = 126283
Step 294: 126283 + 431 = 126714
Step 295: 126714 + 431 = 127145
Step 296: 127145 + 431 = 127576
Step 297: 127576 + 431 = 128007
Step 298: 128007 + 431 = 128438
Step 299: 128438 + 431 = 128869
Step 300: 128869 + 431 = 129300
Step 301: 129300 + 431 = 129731
Step 302: 129731 + 431 = 130162
Step 303: 130162 + 431 = 130593
Step 304: 130593 + 431 = 131024
Step 305: 131024 + 431 = 131455
Step 306: 131455 + 431 = 131886
Step 307: 131886 + 431 = 132317
Step 308: 132317 + 431 = 132748
Step 309: 132748 + 431 = 133179
Step 310: 133179 + 431 = 133610
Step 311: 133610 + 431 = 134041
Step 312: 134041 + 431 = 134472

So, 431*312 = 134472