OK, let's work through this together. We're starting with 10 and we're going to multiply it by 108, which means we add 10 to itself 108 times.
Step 1: 0 + 10 = 10
Step 2: 10 + 10 = 20
Step 3: 20 + 10 = 30
Step 4: 30 + 10 = 40
Step 5: 40 + 10 = 50
Step 6: 50 + 10 = 60
Step 7: 60 + 10 = 70
Step 8: 70 + 10 = 80
Step 9: 80 + 10 = 90
Step 10: 90 + 10 = 100
Step 11: 100 + 10 = 110
Step 12: 110 + 10 = 120
Step 13: 120 + 10 = 130
Step 14: 130 + 10 = 140
Step 15: 140 + 10 = 150
Step 16: 150 + 10 = 160
Step 17: 160 + 10 = 170
Step 18: 170 + 10 = 180
Step 19: 180 + 10 = 190
Step 20: 190 + 10 = 200
Step 21: 200 + 10 = 210
Step 22: 210 + 10 = 220
Step 23: 220 + 10 = 230
Step 24: 230 + 10 = 240
Step 25: 240 + 10 = 250
Step 26: 250 + 10 = 260
Step 27: 260 + 10 = 270
Step 28: 270 + 10 = 280
Step 29: 280 + 10 = 290
Step 30: 290 + 10 = 300
Step 31: 300 + 10 = 310
Step 32: 310 + 10 = 320
Step 33: 320 + 10 = 330
Step 34: 330 + 10 = 340
Step 35: 340 + 10 = 350
Step 36: 350 + 10 = 360
Step 37: 360 + 10 = 370
Step 38: 370 + 10 = 380
Step 39: 380 + 10 = 390
Step 40: 390 + 10 = 400
Step 41: 400 + 10 = 410
Step 42: 410 + 10 = 420
Step 43: 420 + 10 = 430
Step 44: 430 + 10 = 440
Step 45: 440 + 10 = 450
Step 46: 450 + 10 = 460
Step 47: 460 + 10 = 470
Step 48: 470 + 10 = 480
Step 49: 480 + 10 = 490
Step 50: 490 + 10 = 500
Step 51: 500 + 10 = 510
Step 52: 510 + 10 = 520
Step 53: 520 + 10 = 530
Step 54: 530 + 10 = 540
Step 55: 540 + 10 = 550
Step 56: 550 + 10 = 560
Step 57: 560 + 10 = 570
Step 58: 570 + 10 = 580
Step 59: 580 + 10 = 590
Step 60: 590 + 10 = 600
Step 61: 600 + 10 = 610
Step 62: 610 + 10 = 620
Step 63: 620 + 10 = 630
Step 64: 630 + 10 = 640
Step 65: 640 + 10 = 650
Step 66: 650 + 10 = 660
Step 67: 660 + 10 = 670
Step 68: 670 + 10 = 680
Step 69: 680 + 10 = 690
Step 70: 690 + 10 = 700
Step 71: 700 + 10 = 710
Step 72: 710 + 10 = 720
Step 73: 720 + 10 = 730
Step 74: 730 + 10 = 740
Step 75: 740 + 10 = 750
Step 76: 750 + 10 = 760
Step 77: 760 + 10 = 770
Step 78: 770 + 10 = 780
Step 79: 780 + 10 = 790
Step 80: 790 + 10 = 800
Step 81: 800 + 10 = 810
Step 82: 810 + 10 = 820
Step 83: 820 + 10 = 830
Step 84: 830 + 10 = 840
Step 85: 840 + 10 = 850
Step 86: 850 + 10 = 860
Step 87: 860 + 10 = 870
Step 88: 870 + 10 = 880
Step 89: 880 + 10 = 890
Step 90: 890 + 10 = 900
Step 91: 900 + 10 = 910
Step 92: 910 + 10 = 920
Step 93: 920 + 10 = 930
Step 94: 930 + 10 = 940
Step 95: 940 + 10 = 950
Step 96: 950 + 10 = 960
Step 97: 960 + 10 = 970
Step 98: 970 + 10 = 980
Step 99: 980 + 10 = 990
Step 100: 990 + 10 = 1000
Step 101: 1000 + 10 = 1010
Step 102: 1010 + 10 = 1020
Step 103: 1020 + 10 = 1030
Step 104: 1030 + 10 = 1040
Step 105: 1040 + 10 = 1050
Step 106: 1050 + 10 = 1060
Step 107: 1060 + 10 = 1070
Step 108: 1070 + 10 = 1080

So, 10*108 = 1080