Sure thing! We've got 120 and we're gonna multiply it by 113. That's the same as adding 120 to itself 113 times.
Step 1: 0 + 120 = 120
Step 2: 120 + 120 = 240
Step 3: 240 + 120 = 360
Step 4: 360 + 120 = 480
Step 5: 480 + 120 = 600
Step 6: 600 + 120 = 720
Step 7: 720 + 120 = 840
Step 8: 840 + 120 = 960
Step 9: 960 + 120 = 1080
Step 10: 1080 + 120 = 1200
Step 11: 1200 + 120 = 1320
Step 12: 1320 + 120 = 1440
Step 13: 1440 + 120 = 1560
Step 14: 1560 + 120 = 1680
Step 15: 1680 + 120 = 1800
Step 16: 1800 + 120 = 1920
Step 17: 1920 + 120 = 2040
Step 18: 2040 + 120 = 2160
Step 19: 2160 + 120 = 2280
Step 20: 2280 + 120 = 2400
Step 21: 2400 + 120 = 2520
Step 22: 2520 + 120 = 2640
Step 23: 2640 + 120 = 2760
Step 24: 2760 + 120 = 2880
Step 25: 2880 + 120 = 3000
Step 26: 3000 + 120 = 3120
Step 27: 3120 + 120 = 3240
Step 28: 3240 + 120 = 3360
Step 29: 3360 + 120 = 3480
Step 30: 3480 + 120 = 3600
Step 31: 3600 + 120 = 3720
Step 32: 3720 + 120 = 3840
Step 33: 3840 + 120 = 3960
Step 34: 3960 + 120 = 4080
Step 35: 4080 + 120 = 4200
Step 36: 4200 + 120 = 4320
Step 37: 4320 + 120 = 4440
Step 38: 4440 + 120 = 4560
Step 39: 4560 + 120 = 4680
Step 40: 4680 + 120 = 4800
Step 41: 4800 + 120 = 4920
Step 42: 4920 + 120 = 5040
Step 43: 5040 + 120 = 5160
Step 44: 5160 + 120 = 5280
Step 45: 5280 + 120 = 5400
Step 46: 5400 + 120 = 5520
Step 47: 5520 + 120 = 5640
Step 48: 5640 + 120 = 5760
Step 49: 5760 + 120 = 5880
Step 50: 5880 + 120 = 6000
Step 51: 6000 + 120 = 6120
Step 52: 6120 + 120 = 6240
Step 53: 6240 + 120 = 6360
Step 54: 6360 + 120 = 6480
Step 55: 6480 + 120 = 6600
Step 56: 6600 + 120 = 6720
Step 57: 6720 + 120 = 6840
Step 58: 6840 + 120 = 6960
Step 59: 6960 + 120 = 7080
Step 60: 7080 + 120 = 7200
Step 61: 7200 + 120 = 7320
Step 62: 7320 + 120 = 7440
Step 63: 7440 + 120 = 7560
Step 64: 7560 + 120 = 7680
Step 65: 7680 + 120 = 7800
Step 66: 7800 + 120 = 7920
Step 67: 7920 + 120 = 8040
Step 68: 8040 + 120 = 8160
Step 69: 8160 + 120 = 8280
Step 70: 8280 + 120 = 8400
Step 71: 8400 + 120 = 8520
Step 72: 8520 + 120 = 8640
Step 73: 8640 + 120 = 8760
Step 74: 8760 + 120 = 8880
Step 75: 8880 + 120 = 9000
Step 76: 9000 + 120 = 9120
Step 77: 9120 + 120 = 9240
Step 78: 9240 + 120 = 9360
Step 79: 9360 + 120 = 9480
Step 80: 9480 + 120 = 9600
Step 81: 9600 + 120 = 9720
Step 82: 9720 + 120 = 9840
Step 83: 9840 + 120 = 9960
Step 84: 9960 + 120 = 10080
Step 85: 10080 + 120 = 10200
Step 86: 10200 + 120 = 10320
Step 87: 10320 + 120 = 10440
Step 88: 10440 + 120 = 10560
Step 89: 10560 + 120 = 10680
Step 90: 10680 + 120 = 10800
Step 91: 10800 + 120 = 10920
Step 92: 10920 + 120 = 11040
Step 93: 11040 + 120 = 11160
Step 94: 11160 + 120 = 11280
Step 95: 11280 + 120 = 11400
Step 96: 11400 + 120 = 11520
Step 97: 11520 + 120 = 11640
Step 98: 11640 + 120 = 11760
Step 99: 11760 + 120 = 11880
Step 100: 11880 + 120 = 12000
Step 101: 12000 + 120 = 12120
Step 102: 12120 + 120 = 12240
Step 103: 12240 + 120 = 12360
Step 104: 12360 + 120 = 12480
Step 105: 12480 + 120 = 12600
Step 106: 12600 + 120 = 12720
Step 107: 12720 + 120 = 12840
Step 108: 12840 + 120 = 12960
Step 109: 12960 + 120 = 13080
Step 110: 13080 + 120 = 13200
Step 111: 13200 + 120 = 13320
Step 112: 13320 + 120 = 13440
Step 113: 13440 + 120 = 13560

So, 120*113 = 13560