Sure thing! We've got 146 and we're gonna multiply it by 140. That's the same as adding 146 to itself 140 times.
Step 1: 0 + 146 = 146
Step 2: 146 + 146 = 292
Step 3: 292 + 146 = 438
Step 4: 438 + 146 = 584
Step 5: 584 + 146 = 730
Step 6: 730 + 146 = 876
Step 7: 876 + 146 = 1022
Step 8: 1022 + 146 = 1168
Step 9: 1168 + 146 = 1314
Step 10: 1314 + 146 = 1460
Step 11: 1460 + 146 = 1606
Step 12: 1606 + 146 = 1752
Step 13: 1752 + 146 = 1898
Step 14: 1898 + 146 = 2044
Step 15: 2044 + 146 = 2190
Step 16: 2190 + 146 = 2336
Step 17: 2336 + 146 = 2482
Step 18: 2482 + 146 = 2628
Step 19: 2628 + 146 = 2774
Step 20: 2774 + 146 = 2920
Step 21: 2920 + 146 = 3066
Step 22: 3066 + 146 = 3212
Step 23: 3212 + 146 = 3358
Step 24: 3358 + 146 = 3504
Step 25: 3504 + 146 = 3650
Step 26: 3650 + 146 = 3796
Step 27: 3796 + 146 = 3942
Step 28: 3942 + 146 = 4088
Step 29: 4088 + 146 = 4234
Step 30: 4234 + 146 = 4380
Step 31: 4380 + 146 = 4526
Step 32: 4526 + 146 = 4672
Step 33: 4672 + 146 = 4818
Step 34: 4818 + 146 = 4964
Step 35: 4964 + 146 = 5110
Step 36: 5110 + 146 = 5256
Step 37: 5256 + 146 = 5402
Step 38: 5402 + 146 = 5548
Step 39: 5548 + 146 = 5694
Step 40: 5694 + 146 = 5840
Step 41: 5840 + 146 = 5986
Step 42: 5986 + 146 = 6132
Step 43: 6132 + 146 = 6278
Step 44: 6278 + 146 = 6424
Step 45: 6424 + 146 = 6570
Step 46: 6570 + 146 = 6716
Step 47: 6716 + 146 = 6862
Step 48: 6862 + 146 = 7008
Step 49: 7008 + 146 = 7154
Step 50: 7154 + 146 = 7300
Step 51: 7300 + 146 = 7446
Step 52: 7446 + 146 = 7592
Step 53: 7592 + 146 = 7738
Step 54: 7738 + 146 = 7884
Step 55: 7884 + 146 = 8030
Step 56: 8030 + 146 = 8176
Step 57: 8176 + 146 = 8322
Step 58: 8322 + 146 = 8468
Step 59: 8468 + 146 = 8614
Step 60: 8614 + 146 = 8760
Step 61: 8760 + 146 = 8906
Step 62: 8906 + 146 = 9052
Step 63: 9052 + 146 = 9198
Step 64: 9198 + 146 = 9344
Step 65: 9344 + 146 = 9490
Step 66: 9490 + 146 = 9636
Step 67: 9636 + 146 = 9782
Step 68: 9782 + 146 = 9928
Step 69: 9928 + 146 = 10074
Step 70: 10074 + 146 = 10220
Step 71: 10220 + 146 = 10366
Step 72: 10366 + 146 = 10512
Step 73: 10512 + 146 = 10658
Step 74: 10658 + 146 = 10804
Step 75: 10804 + 146 = 10950
Step 76: 10950 + 146 = 11096
Step 77: 11096 + 146 = 11242
Step 78: 11242 + 146 = 11388
Step 79: 11388 + 146 = 11534
Step 80: 11534 + 146 = 11680
Step 81: 11680 + 146 = 11826
Step 82: 11826 + 146 = 11972
Step 83: 11972 + 146 = 12118
Step 84: 12118 + 146 = 12264
Step 85: 12264 + 146 = 12410
Step 86: 12410 + 146 = 12556
Step 87: 12556 + 146 = 12702
Step 88: 12702 + 146 = 12848
Step 89: 12848 + 146 = 12994
Step 90: 12994 + 146 = 13140
Step 91: 13140 + 146 = 13286
Step 92: 13286 + 146 = 13432
Step 93: 13432 + 146 = 13578
Step 94: 13578 + 146 = 13724
Step 95: 13724 + 146 = 13870
Step 96: 13870 + 146 = 14016
Step 97: 14016 + 146 = 14162
Step 98: 14162 + 146 = 14308
Step 99: 14308 + 146 = 14454
Step 100: 14454 + 146 = 14600
Step 101: 14600 + 146 = 14746
Step 102: 14746 + 146 = 14892
Step 103: 14892 + 146 = 15038
Step 104: 15038 + 146 = 15184
Step 105: 15184 + 146 = 15330
Step 106: 15330 + 146 = 15476
Step 107: 15476 + 146 = 15622
Step 108: 15622 + 146 = 15768
Step 109: 15768 + 146 = 15914
Step 110: 15914 + 146 = 16060
Step 111: 16060 + 146 = 16206
Step 112: 16206 + 146 = 16352
Step 113: 16352 + 146 = 16498
Step 114: 16498 + 146 = 16644
Step 115: 16644 + 146 = 16790
Step 116: 16790 + 146 = 16936
Step 117: 16936 + 146 = 17082
Step 118: 17082 + 146 = 17228
Step 119: 17228 + 146 = 17374
Step 120: 17374 + 146 = 17520
Step 121: 17520 + 146 = 17666
Step 122: 17666 + 146 = 17812
Step 123: 17812 + 146 = 17958
Step 124: 17958 + 146 = 18104
Step 125: 18104 + 146 = 18250
Step 126: 18250 + 146 = 18396
Step 127: 18396 + 146 = 18542
Step 128: 18542 + 146 = 18688
Step 129: 18688 + 146 = 18834
Step 130: 18834 + 146 = 18980
Step 131: 18980 + 146 = 19126
Step 132: 19126 + 146 = 19272
Step 133: 19272 + 146 = 19418
Step 134: 19418 + 146 = 19564
Step 135: 19564 + 146 = 19710
Step 136: 19710 + 146 = 19856
Step 137: 19856 + 146 = 20002
Step 138: 20002 + 146 = 20148
Step 139: 20148 + 146 = 20294
Step 140: 20294 + 146 = 20440

So, 146*140 = 20440