Alright, let's solve this math problem step by step. First, we have the number 310. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 393. So, we're going to take the number 310 and add it to itself 393 times.
Step 1: 0 + 310 = 310
Step 2: 310 + 310 = 620
Step 3: 620 + 310 = 930
Step 4: 930 + 310 = 1240
Step 5: 1240 + 310 = 1550
Step 6: 1550 + 310 = 1860
Step 7: 1860 + 310 = 2170
Step 8: 2170 + 310 = 2480
Step 9: 2480 + 310 = 2790
Step 10: 2790 + 310 = 3100
Step 11: 3100 + 310 = 3410
Step 12: 3410 + 310 = 3720
Step 13: 3720 + 310 = 4030
Step 14: 4030 + 310 = 4340
Step 15: 4340 + 310 = 4650
Step 16: 4650 + 310 = 4960
Step 17: 4960 + 310 = 5270
Step 18: 5270 + 310 = 5580
Step 19: 5580 + 310 = 5890
Step 20: 5890 + 310 = 6200
Step 21: 6200 + 310 = 6510
Step 22: 6510 + 310 = 6820
Step 23: 6820 + 310 = 7130
Step 24: 7130 + 310 = 7440
Step 25: 7440 + 310 = 7750
Step 26: 7750 + 310 = 8060
Step 27: 8060 + 310 = 8370
Step 28: 8370 + 310 = 8680
Step 29: 8680 + 310 = 8990
Step 30: 8990 + 310 = 9300
Step 31: 9300 + 310 = 9610
Step 32: 9610 + 310 = 9920
Step 33: 9920 + 310 = 10230
Step 34: 10230 + 310 = 10540
Step 35: 10540 + 310 = 10850
Step 36: 10850 + 310 = 11160
Step 37: 11160 + 310 = 11470
Step 38: 11470 + 310 = 11780
Step 39: 11780 + 310 = 12090
Step 40: 12090 + 310 = 12400
Step 41: 12400 + 310 = 12710
Step 42: 12710 + 310 = 13020
Step 43: 13020 + 310 = 13330
Step 44: 13330 + 310 = 13640
Step 45: 13640 + 310 = 13950
Step 46: 13950 + 310 = 14260
Step 47: 14260 + 310 = 14570
Step 48: 14570 + 310 = 14880
Step 49: 14880 + 310 = 15190
Step 50: 15190 + 310 = 15500
Step 51: 15500 + 310 = 15810
Step 52: 15810 + 310 = 16120
Step 53: 16120 + 310 = 16430
Step 54: 16430 + 310 = 16740
Step 55: 16740 + 310 = 17050
Step 56: 17050 + 310 = 17360
Step 57: 17360 + 310 = 17670
Step 58: 17670 + 310 = 17980
Step 59: 17980 + 310 = 18290
Step 60: 18290 + 310 = 18600
Step 61: 18600 + 310 = 18910
Step 62: 18910 + 310 = 19220
Step 63: 19220 + 310 = 19530
Step 64: 19530 + 310 = 19840
Step 65: 19840 + 310 = 20150
Step 66: 20150 + 310 = 20460
Step 67: 20460 + 310 = 20770
Step 68: 20770 + 310 = 21080
Step 69: 21080 + 310 = 21390
Step 70: 21390 + 310 = 21700
Step 71: 21700 + 310 = 22010
Step 72: 22010 + 310 = 22320
Step 73: 22320 + 310 = 22630
Step 74: 22630 + 310 = 22940
Step 75: 22940 + 310 = 23250
Step 76: 23250 + 310 = 23560
Step 77: 23560 + 310 = 23870
Step 78: 23870 + 310 = 24180
Step 79: 24180 + 310 = 24490
Step 80: 24490 + 310 = 24800
Step 81: 24800 + 310 = 25110
Step 82: 25110 + 310 = 25420
Step 83: 25420 + 310 = 25730
Step 84: 25730 + 310 = 26040
Step 85: 26040 + 310 = 26350
Step 86: 26350 + 310 = 26660
Step 87: 26660 + 310 = 26970
Step 88: 26970 + 310 = 27280
Step 89: 27280 + 310 = 27590
Step 90: 27590 + 310 = 27900
Step 91: 27900 + 310 = 28210
Step 92: 28210 + 310 = 28520
Step 93: 28520 + 310 = 28830
Step 94: 28830 + 310 = 29140
Step 95: 29140 + 310 = 29450
Step 96: 29450 + 310 = 29760
Step 97: 29760 + 310 = 30070
Step 98: 30070 + 310 = 30380
Step 99: 30380 + 310 = 30690
Step 100: 30690 + 310 = 31000
Step 101: 31000 + 310 = 31310
Step 102: 31310 + 310 = 31620
Step 103: 31620 + 310 = 31930
Step 104: 31930 + 310 = 32240
Step 105: 32240 + 310 = 32550
Step 106: 32550 + 310 = 32860
Step 107: 32860 + 310 = 33170
Step 108: 33170 + 310 = 33480
Step 109: 33480 + 310 = 33790
Step 110: 33790 + 310 = 34100
Step 111: 34100 + 310 = 34410
Step 112: 34410 + 310 = 34720
Step 113: 34720 + 310 = 35030
Step 114: 35030 + 310 = 35340
Step 115: 35340 + 310 = 35650
Step 116: 35650 + 310 = 35960
Step 117: 35960 + 310 = 36270
Step 118: 36270 + 310 = 36580
Step 119: 36580 + 310 = 36890
Step 120: 36890 + 310 = 37200
Step 121: 37200 + 310 = 37510
Step 122: 37510 + 310 = 37820
Step 123: 37820 + 310 = 38130
Step 124: 38130 + 310 = 38440
Step 125: 38440 + 310 = 38750
Step 126: 38750 + 310 = 39060
Step 127: 39060 + 310 = 39370
Step 128: 39370 + 310 = 39680
Step 129: 39680 + 310 = 39990
Step 130: 39990 + 310 = 40300
Step 131: 40300 + 310 = 40610
Step 132: 40610 + 310 = 40920
Step 133: 40920 + 310 = 41230
Step 134: 41230 + 310 = 41540
Step 135: 41540 + 310 = 41850
Step 136: 41850 + 310 = 42160
Step 137: 42160 + 310 = 42470
Step 138: 42470 + 310 = 42780
Step 139: 42780 + 310 = 43090
Step 140: 43090 + 310 = 43400
Step 141: 43400 + 310 = 43710
Step 142: 43710 + 310 = 44020
Step 143: 44020 + 310 = 44330
Step 144: 44330 + 310 = 44640
Step 145: 44640 + 310 = 44950
Step 146: 44950 + 310 = 45260
Step 147: 45260 + 310 = 45570
Step 148: 45570 + 310 = 45880
Step 149: 45880 + 310 = 46190
Step 150: 46190 + 310 = 46500
Step 151: 46500 + 310 = 46810
Step 152: 46810 + 310 = 47120
Step 153: 47120 + 310 = 47430
Step 154: 47430 + 310 = 47740
Step 155: 47740 + 310 = 48050
Step 156: 48050 + 310 = 48360
Step 157: 48360 + 310 = 48670
Step 158: 48670 + 310 = 48980
Step 159: 48980 + 310 = 49290
Step 160: 49290 + 310 = 49600
Step 161: 49600 + 310 = 49910
Step 162: 49910 + 310 = 50220
Step 163: 50220 + 310 = 50530
Step 164: 50530 + 310 = 50840
Step 165: 50840 + 310 = 51150
Step 166: 51150 + 310 = 51460
Step 167: 51460 + 310 = 51770
Step 168: 51770 + 310 = 52080
Step 169: 52080 + 310 = 52390
Step 170: 52390 + 310 = 52700
Step 171: 52700 + 310 = 53010
Step 172: 53010 + 310 = 53320
Step 173: 53320 + 310 = 53630
Step 174: 53630 + 310 = 53940
Step 175: 53940 + 310 = 54250
Step 176: 54250 + 310 = 54560
Step 177: 54560 + 310 = 54870
Step 178: 54870 + 310 = 55180
Step 179: 55180 + 310 = 55490
Step 180: 55490 + 310 = 55800
Step 181: 55800 + 310 = 56110
Step 182: 56110 + 310 = 56420
Step 183: 56420 + 310 = 56730
Step 184: 56730 + 310 = 57040
Step 185: 57040 + 310 = 57350
Step 186: 57350 + 310 = 57660
Step 187: 57660 + 310 = 57970
Step 188: 57970 + 310 = 58280
Step 189: 58280 + 310 = 58590
Step 190: 58590 + 310 = 58900
Step 191: 58900 + 310 = 59210
Step 192: 59210 + 310 = 59520
Step 193: 59520 + 310 = 59830
Step 194: 59830 + 310 = 60140
Step 195: 60140 + 310 = 60450
Step 196: 60450 + 310 = 60760
Step 197: 60760 + 310 = 61070
Step 198: 61070 + 310 = 61380
Step 199: 61380 + 310 = 61690
Step 200: 61690 + 310 = 62000
Step 201: 62000 + 310 = 62310
Step 202: 62310 + 310 = 62620
Step 203: 62620 + 310 = 62930
Step 204: 62930 + 310 = 63240
Step 205: 63240 + 310 = 63550
Step 206: 63550 + 310 = 63860
Step 207: 63860 + 310 = 64170
Step 208: 64170 + 310 = 64480
Step 209: 64480 + 310 = 64790
Step 210: 64790 + 310 = 65100
Step 211: 65100 + 310 = 65410
Step 212: 65410 + 310 = 65720
Step 213: 65720 + 310 = 66030
Step 214: 66030 + 310 = 66340
Step 215: 66340 + 310 = 66650
Step 216: 66650 + 310 = 66960
Step 217: 66960 + 310 = 67270
Step 218: 67270 + 310 = 67580
Step 219: 67580 + 310 = 67890
Step 220: 67890 + 310 = 68200
Step 221: 68200 + 310 = 68510
Step 222: 68510 + 310 = 68820
Step 223: 68820 + 310 = 69130
Step 224: 69130 + 310 = 69440
Step 225: 69440 + 310 = 69750
Step 226: 69750 + 310 = 70060
Step 227: 70060 + 310 = 70370
Step 228: 70370 + 310 = 70680
Step 229: 70680 + 310 = 70990
Step 230: 70990 + 310 = 71300
Step 231: 71300 + 310 = 71610
Step 232: 71610 + 310 = 71920
Step 233: 71920 + 310 = 72230
Step 234: 72230 + 310 = 72540
Step 235: 72540 + 310 = 72850
Step 236: 72850 + 310 = 73160
Step 237: 73160 + 310 = 73470
Step 238: 73470 + 310 = 73780
Step 239: 73780 + 310 = 74090
Step 240: 74090 + 310 = 74400
Step 241: 74400 + 310 = 74710
Step 242: 74710 + 310 = 75020
Step 243: 75020 + 310 = 75330
Step 244: 75330 + 310 = 75640
Step 245: 75640 + 310 = 75950
Step 246: 75950 + 310 = 76260
Step 247: 76260 + 310 = 76570
Step 248: 76570 + 310 = 76880
Step 249: 76880 + 310 = 77190
Step 250: 77190 + 310 = 77500
Step 251: 77500 + 310 = 77810
Step 252: 77810 + 310 = 78120
Step 253: 78120 + 310 = 78430
Step 254: 78430 + 310 = 78740
Step 255: 78740 + 310 = 79050
Step 256: 79050 + 310 = 79360
Step 257: 79360 + 310 = 79670
Step 258: 79670 + 310 = 79980
Step 259: 79980 + 310 = 80290
Step 260: 80290 + 310 = 80600
Step 261: 80600 + 310 = 80910
Step 262: 80910 + 310 = 81220
Step 263: 81220 + 310 = 81530
Step 264: 81530 + 310 = 81840
Step 265: 81840 + 310 = 82150
Step 266: 82150 + 310 = 82460
Step 267: 82460 + 310 = 82770
Step 268: 82770 + 310 = 83080
Step 269: 83080 + 310 = 83390
Step 270: 83390 + 310 = 83700
Step 271: 83700 + 310 = 84010
Step 272: 84010 + 310 = 84320
Step 273: 84320 + 310 = 84630
Step 274: 84630 + 310 = 84940
Step 275: 84940 + 310 = 85250
Step 276: 85250 + 310 = 85560
Step 277: 85560 + 310 = 85870
Step 278: 85870 + 310 = 86180
Step 279: 86180 + 310 = 86490
Step 280: 86490 + 310 = 86800
Step 281: 86800 + 310 = 87110
Step 282: 87110 + 310 = 87420
Step 283: 87420 + 310 = 87730
Step 284: 87730 + 310 = 88040
Step 285: 88040 + 310 = 88350
Step 286: 88350 + 310 = 88660
Step 287: 88660 + 310 = 88970
Step 288: 88970 + 310 = 89280
Step 289: 89280 + 310 = 89590
Step 290: 89590 + 310 = 89900
Step 291: 89900 + 310 = 90210
Step 292: 90210 + 310 = 90520
Step 293: 90520 + 310 = 90830
Step 294: 90830 + 310 = 91140
Step 295: 91140 + 310 = 91450
Step 296: 91450 + 310 = 91760
Step 297: 91760 + 310 = 92070
Step 298: 92070 + 310 = 92380
Step 299: 92380 + 310 = 92690
Step 300: 92690 + 310 = 93000
Step 301: 93000 + 310 = 93310
Step 302: 93310 + 310 = 93620
Step 303: 93620 + 310 = 93930
Step 304: 93930 + 310 = 94240
Step 305: 94240 + 310 = 94550
Step 306: 94550 + 310 = 94860
Step 307: 94860 + 310 = 95170
Step 308: 95170 + 310 = 95480
Step 309: 95480 + 310 = 95790
Step 310: 95790 + 310 = 96100
Step 311: 96100 + 310 = 96410
Step 312: 96410 + 310 = 96720
Step 313: 96720 + 310 = 97030
Step 314: 97030 + 310 = 97340
Step 315: 97340 + 310 = 97650
Step 316: 97650 + 310 = 97960
Step 317: 97960 + 310 = 98270
Step 318: 98270 + 310 = 98580
Step 319: 98580 + 310 = 98890
Step 320: 98890 + 310 = 99200
Step 321: 99200 + 310 = 99510
Step 322: 99510 + 310 = 99820
Step 323: 99820 + 310 = 100130
Step 324: 100130 + 310 = 100440
Step 325: 100440 + 310 = 100750
Step 326: 100750 + 310 = 101060
Step 327: 101060 + 310 = 101370
Step 328: 101370 + 310 = 101680
Step 329: 101680 + 310 = 101990
Step 330: 101990 + 310 = 102300
Step 331: 102300 + 310 = 102610
Step 332: 102610 + 310 = 102920
Step 333: 102920 + 310 = 103230
Step 334: 103230 + 310 = 103540
Step 335: 103540 + 310 = 103850
Step 336: 103850 + 310 = 104160
Step 337: 104160 + 310 = 104470
Step 338: 104470 + 310 = 104780
Step 339: 104780 + 310 = 105090
Step 340: 105090 + 310 = 105400
Step 341: 105400 + 310 = 105710
Step 342: 105710 + 310 = 106020
Step 343: 106020 + 310 = 106330
Step 344: 106330 + 310 = 106640
Step 345: 106640 + 310 = 106950
Step 346: 106950 + 310 = 107260
Step 347: 107260 + 310 = 107570
Step 348: 107570 + 310 = 107880
Step 349: 107880 + 310 = 108190
Step 350: 108190 + 310 = 108500
Step 351: 108500 + 310 = 108810
Step 352: 108810 + 310 = 109120
Step 353: 109120 + 310 = 109430
Step 354: 109430 + 310 = 109740
Step 355: 109740 + 310 = 110050
Step 356: 110050 + 310 = 110360
Step 357: 110360 + 310 = 110670
Step 358: 110670 + 310 = 110980
Step 359: 110980 + 310 = 111290
Step 360: 111290 + 310 = 111600
Step 361: 111600 + 310 = 111910
Step 362: 111910 + 310 = 112220
Step 363: 112220 + 310 = 112530
Step 364: 112530 + 310 = 112840
Step 365: 112840 + 310 = 113150
Step 366: 113150 + 310 = 113460
Step 367: 113460 + 310 = 113770
Step 368: 113770 + 310 = 114080
Step 369: 114080 + 310 = 114390
Step 370: 114390 + 310 = 114700
Step 371: 114700 + 310 = 115010
Step 372: 115010 + 310 = 115320
Step 373: 115320 + 310 = 115630
Step 374: 115630 + 310 = 115940
Step 375: 115940 + 310 = 116250
Step 376: 116250 + 310 = 116560
Step 377: 116560 + 310 = 116870
Step 378: 116870 + 310 = 117180
Step 379: 117180 + 310 = 117490
Step 380: 117490 + 310 = 117800
Step 381: 117800 + 310 = 118110
Step 382: 118110 + 310 = 118420
Step 383: 118420 + 310 = 118730
Step 384: 118730 + 310 = 119040
Step 385: 119040 + 310 = 119350
Step 386: 119350 + 310 = 119660
Step 387: 119660 + 310 = 119970
Step 388: 119970 + 310 = 120280
Step 389: 120280 + 310 = 120590
Step 390: 120590 + 310 = 120900
Step 391: 120900 + 310 = 121210
Step 392: 121210 + 310 = 121520
Step 393: 121520 + 310 = 121830

So, 310*393 = 121830