Alright, let's solve this math problem step by step. First, we have the number 798. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 131. So, we're going to take the number 798 and add it to itself 131 times.
Step 1: 0 + 798 = 798
Step 2: 798 + 798 = 1596
Step 3: 1596 + 798 = 2394
Step 4: 2394 + 798 = 3192
Step 5: 3192 + 798 = 3990
Step 6: 3990 + 798 = 4788
Step 7: 4788 + 798 = 5586
Step 8: 5586 + 798 = 6384
Step 9: 6384 + 798 = 7182
Step 10: 7182 + 798 = 7980
Step 11: 7980 + 798 = 8778
Step 12: 8778 + 798 = 9576
Step 13: 9576 + 798 = 10374
Step 14: 10374 + 798 = 11172
Step 15: 11172 + 798 = 11970
Step 16: 11970 + 798 = 12768
Step 17: 12768 + 798 = 13566
Step 18: 13566 + 798 = 14364
Step 19: 14364 + 798 = 15162
Step 20: 15162 + 798 = 15960
Step 21: 15960 + 798 = 16758
Step 22: 16758 + 798 = 17556
Step 23: 17556 + 798 = 18354
Step 24: 18354 + 798 = 19152
Step 25: 19152 + 798 = 19950
Step 26: 19950 + 798 = 20748
Step 27: 20748 + 798 = 21546
Step 28: 21546 + 798 = 22344
Step 29: 22344 + 798 = 23142
Step 30: 23142 + 798 = 23940
Step 31: 23940 + 798 = 24738
Step 32: 24738 + 798 = 25536
Step 33: 25536 + 798 = 26334
Step 34: 26334 + 798 = 27132
Step 35: 27132 + 798 = 27930
Step 36: 27930 + 798 = 28728
Step 37: 28728 + 798 = 29526
Step 38: 29526 + 798 = 30324
Step 39: 30324 + 798 = 31122
Step 40: 31122 + 798 = 31920
Step 41: 31920 + 798 = 32718
Step 42: 32718 + 798 = 33516
Step 43: 33516 + 798 = 34314
Step 44: 34314 + 798 = 35112
Step 45: 35112 + 798 = 35910
Step 46: 35910 + 798 = 36708
Step 47: 36708 + 798 = 37506
Step 48: 37506 + 798 = 38304
Step 49: 38304 + 798 = 39102
Step 50: 39102 + 798 = 39900
Step 51: 39900 + 798 = 40698
Step 52: 40698 + 798 = 41496
Step 53: 41496 + 798 = 42294
Step 54: 42294 + 798 = 43092
Step 55: 43092 + 798 = 43890
Step 56: 43890 + 798 = 44688
Step 57: 44688 + 798 = 45486
Step 58: 45486 + 798 = 46284
Step 59: 46284 + 798 = 47082
Step 60: 47082 + 798 = 47880
Step 61: 47880 + 798 = 48678
Step 62: 48678 + 798 = 49476
Step 63: 49476 + 798 = 50274
Step 64: 50274 + 798 = 51072
Step 65: 51072 + 798 = 51870
Step 66: 51870 + 798 = 52668
Step 67: 52668 + 798 = 53466
Step 68: 53466 + 798 = 54264
Step 69: 54264 + 798 = 55062
Step 70: 55062 + 798 = 55860
Step 71: 55860 + 798 = 56658
Step 72: 56658 + 798 = 57456
Step 73: 57456 + 798 = 58254
Step 74: 58254 + 798 = 59052
Step 75: 59052 + 798 = 59850
Step 76: 59850 + 798 = 60648
Step 77: 60648 + 798 = 61446
Step 78: 61446 + 798 = 62244
Step 79: 62244 + 798 = 63042
Step 80: 63042 + 798 = 63840
Step 81: 63840 + 798 = 64638
Step 82: 64638 + 798 = 65436
Step 83: 65436 + 798 = 66234
Step 84: 66234 + 798 = 67032
Step 85: 67032 + 798 = 67830
Step 86: 67830 + 798 = 68628
Step 87: 68628 + 798 = 69426
Step 88: 69426 + 798 = 70224
Step 89: 70224 + 798 = 71022
Step 90: 71022 + 798 = 71820
Step 91: 71820 + 798 = 72618
Step 92: 72618 + 798 = 73416
Step 93: 73416 + 798 = 74214
Step 94: 74214 + 798 = 75012
Step 95: 75012 + 798 = 75810
Step 96: 75810 + 798 = 76608
Step 97: 76608 + 798 = 77406
Step 98: 77406 + 798 = 78204
Step 99: 78204 + 798 = 79002
Step 100: 79002 + 798 = 79800
Step 101: 79800 + 798 = 80598
Step 102: 80598 + 798 = 81396
Step 103: 81396 + 798 = 82194
Step 104: 82194 + 798 = 82992
Step 105: 82992 + 798 = 83790
Step 106: 83790 + 798 = 84588
Step 107: 84588 + 798 = 85386
Step 108: 85386 + 798 = 86184
Step 109: 86184 + 798 = 86982
Step 110: 86982 + 798 = 87780
Step 111: 87780 + 798 = 88578
Step 112: 88578 + 798 = 89376
Step 113: 89376 + 798 = 90174
Step 114: 90174 + 798 = 90972
Step 115: 90972 + 798 = 91770
Step 116: 91770 + 798 = 92568
Step 117: 92568 + 798 = 93366
Step 118: 93366 + 798 = 94164
Step 119: 94164 + 798 = 94962
Step 120: 94962 + 798 = 95760
Step 121: 95760 + 798 = 96558
Step 122: 96558 + 798 = 97356
Step 123: 97356 + 798 = 98154
Step 124: 98154 + 798 = 98952
Step 125: 98952 + 798 = 99750
Step 126: 99750 + 798 = 100548
Step 127: 100548 + 798 = 101346
Step 128: 101346 + 798 = 102144
Step 129: 102144 + 798 = 102942
Step 130: 102942 + 798 = 103740
Step 131: 103740 + 798 = 104538

So, 798*131 = 104538