Alright, let's solve this math problem step by step. First, we have the number 245. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 102. So, we're going to take the number 245 and add it to itself 102 times.
Step 1: 0 + 245 = 245
Step 2: 245 + 245 = 490
Step 3: 490 + 245 = 735
Step 4: 735 + 245 = 980
Step 5: 980 + 245 = 1225
Step 6: 1225 + 245 = 1470
Step 7: 1470 + 245 = 1715
Step 8: 1715 + 245 = 1960
Step 9: 1960 + 245 = 2205
Step 10: 2205 + 245 = 2450
Step 11: 2450 + 245 = 2695
Step 12: 2695 + 245 = 2940
Step 13: 2940 + 245 = 3185
Step 14: 3185 + 245 = 3430
Step 15: 3430 + 245 = 3675
Step 16: 3675 + 245 = 3920
Step 17: 3920 + 245 = 4165
Step 18: 4165 + 245 = 4410
Step 19: 4410 + 245 = 4655
Step 20: 4655 + 245 = 4900
Step 21: 4900 + 245 = 5145
Step 22: 5145 + 245 = 5390
Step 23: 5390 + 245 = 5635
Step 24: 5635 + 245 = 5880
Step 25: 5880 + 245 = 6125
Step 26: 6125 + 245 = 6370
Step 27: 6370 + 245 = 6615
Step 28: 6615 + 245 = 6860
Step 29: 6860 + 245 = 7105
Step 30: 7105 + 245 = 7350
Step 31: 7350 + 245 = 7595
Step 32: 7595 + 245 = 7840
Step 33: 7840 + 245 = 8085
Step 34: 8085 + 245 = 8330
Step 35: 8330 + 245 = 8575
Step 36: 8575 + 245 = 8820
Step 37: 8820 + 245 = 9065
Step 38: 9065 + 245 = 9310
Step 39: 9310 + 245 = 9555
Step 40: 9555 + 245 = 9800
Step 41: 9800 + 245 = 10045
Step 42: 10045 + 245 = 10290
Step 43: 10290 + 245 = 10535
Step 44: 10535 + 245 = 10780
Step 45: 10780 + 245 = 11025
Step 46: 11025 + 245 = 11270
Step 47: 11270 + 245 = 11515
Step 48: 11515 + 245 = 11760
Step 49: 11760 + 245 = 12005
Step 50: 12005 + 245 = 12250
Step 51: 12250 + 245 = 12495
Step 52: 12495 + 245 = 12740
Step 53: 12740 + 245 = 12985
Step 54: 12985 + 245 = 13230
Step 55: 13230 + 245 = 13475
Step 56: 13475 + 245 = 13720
Step 57: 13720 + 245 = 13965
Step 58: 13965 + 245 = 14210
Step 59: 14210 + 245 = 14455
Step 60: 14455 + 245 = 14700
Step 61: 14700 + 245 = 14945
Step 62: 14945 + 245 = 15190
Step 63: 15190 + 245 = 15435
Step 64: 15435 + 245 = 15680
Step 65: 15680 + 245 = 15925
Step 66: 15925 + 245 = 16170
Step 67: 16170 + 245 = 16415
Step 68: 16415 + 245 = 16660
Step 69: 16660 + 245 = 16905
Step 70: 16905 + 245 = 17150
Step 71: 17150 + 245 = 17395
Step 72: 17395 + 245 = 17640
Step 73: 17640 + 245 = 17885
Step 74: 17885 + 245 = 18130
Step 75: 18130 + 245 = 18375
Step 76: 18375 + 245 = 18620
Step 77: 18620 + 245 = 18865
Step 78: 18865 + 245 = 19110
Step 79: 19110 + 245 = 19355
Step 80: 19355 + 245 = 19600
Step 81: 19600 + 245 = 19845
Step 82: 19845 + 245 = 20090
Step 83: 20090 + 245 = 20335
Step 84: 20335 + 245 = 20580
Step 85: 20580 + 245 = 20825
Step 86: 20825 + 245 = 21070
Step 87: 21070 + 245 = 21315
Step 88: 21315 + 245 = 21560
Step 89: 21560 + 245 = 21805
Step 90: 21805 + 245 = 22050
Step 91: 22050 + 245 = 22295
Step 92: 22295 + 245 = 22540
Step 93: 22540 + 245 = 22785
Step 94: 22785 + 245 = 23030
Step 95: 23030 + 245 = 23275
Step 96: 23275 + 245 = 23520
Step 97: 23520 + 245 = 23765
Step 98: 23765 + 245 = 24010
Step 99: 24010 + 245 = 24255
Step 100: 24255 + 245 = 24500
Step 101: 24500 + 245 = 24745
Step 102: 24745 + 245 = 24990

So, 245*102 = 24990