Without delay, let's solve this. We've got 160 and we will be multiplying it by 137, that is, adding 160 to itself 137 times.
Step 1: 0 + 160 = 160
Step 2: 160 + 160 = 320
Step 3: 320 + 160 = 480
Step 4: 480 + 160 = 640
Step 5: 640 + 160 = 800
Step 6: 800 + 160 = 960
Step 7: 960 + 160 = 1120
Step 8: 1120 + 160 = 1280
Step 9: 1280 + 160 = 1440
Step 10: 1440 + 160 = 1600
Step 11: 1600 + 160 = 1760
Step 12: 1760 + 160 = 1920
Step 13: 1920 + 160 = 2080
Step 14: 2080 + 160 = 2240
Step 15: 2240 + 160 = 2400
Step 16: 2400 + 160 = 2560
Step 17: 2560 + 160 = 2720
Step 18: 2720 + 160 = 2880
Step 19: 2880 + 160 = 3040
Step 20: 3040 + 160 = 3200
Step 21: 3200 + 160 = 3360
Step 22: 3360 + 160 = 3520
Step 23: 3520 + 160 = 3680
Step 24: 3680 + 160 = 3840
Step 25: 3840 + 160 = 4000
Step 26: 4000 + 160 = 4160
Step 27: 4160 + 160 = 4320
Step 28: 4320 + 160 = 4480
Step 29: 4480 + 160 = 4640
Step 30: 4640 + 160 = 4800
Step 31: 4800 + 160 = 4960
Step 32: 4960 + 160 = 5120
Step 33: 5120 + 160 = 5280
Step 34: 5280 + 160 = 5440
Step 35: 5440 + 160 = 5600
Step 36: 5600 + 160 = 5760
Step 37: 5760 + 160 = 5920
Step 38: 5920 + 160 = 6080
Step 39: 6080 + 160 = 6240
Step 40: 6240 + 160 = 6400
Step 41: 6400 + 160 = 6560
Step 42: 6560 + 160 = 6720
Step 43: 6720 + 160 = 6880
Step 44: 6880 + 160 = 7040
Step 45: 7040 + 160 = 7200
Step 46: 7200 + 160 = 7360
Step 47: 7360 + 160 = 7520
Step 48: 7520 + 160 = 7680
Step 49: 7680 + 160 = 7840
Step 50: 7840 + 160 = 8000
Step 51: 8000 + 160 = 8160
Step 52: 8160 + 160 = 8320
Step 53: 8320 + 160 = 8480
Step 54: 8480 + 160 = 8640
Step 55: 8640 + 160 = 8800
Step 56: 8800 + 160 = 8960
Step 57: 8960 + 160 = 9120
Step 58: 9120 + 160 = 9280
Step 59: 9280 + 160 = 9440
Step 60: 9440 + 160 = 9600
Step 61: 9600 + 160 = 9760
Step 62: 9760 + 160 = 9920
Step 63: 9920 + 160 = 10080
Step 64: 10080 + 160 = 10240
Step 65: 10240 + 160 = 10400
Step 66: 10400 + 160 = 10560
Step 67: 10560 + 160 = 10720
Step 68: 10720 + 160 = 10880
Step 69: 10880 + 160 = 11040
Step 70: 11040 + 160 = 11200
Step 71: 11200 + 160 = 11360
Step 72: 11360 + 160 = 11520
Step 73: 11520 + 160 = 11680
Step 74: 11680 + 160 = 11840
Step 75: 11840 + 160 = 12000
Step 76: 12000 + 160 = 12160
Step 77: 12160 + 160 = 12320
Step 78: 12320 + 160 = 12480
Step 79: 12480 + 160 = 12640
Step 80: 12640 + 160 = 12800
Step 81: 12800 + 160 = 12960
Step 82: 12960 + 160 = 13120
Step 83: 13120 + 160 = 13280
Step 84: 13280 + 160 = 13440
Step 85: 13440 + 160 = 13600
Step 86: 13600 + 160 = 13760
Step 87: 13760 + 160 = 13920
Step 88: 13920 + 160 = 14080
Step 89: 14080 + 160 = 14240
Step 90: 14240 + 160 = 14400
Step 91: 14400 + 160 = 14560
Step 92: 14560 + 160 = 14720
Step 93: 14720 + 160 = 14880
Step 94: 14880 + 160 = 15040
Step 95: 15040 + 160 = 15200
Step 96: 15200 + 160 = 15360
Step 97: 15360 + 160 = 15520
Step 98: 15520 + 160 = 15680
Step 99: 15680 + 160 = 15840
Step 100: 15840 + 160 = 16000
Step 101: 16000 + 160 = 16160
Step 102: 16160 + 160 = 16320
Step 103: 16320 + 160 = 16480
Step 104: 16480 + 160 = 16640
Step 105: 16640 + 160 = 16800
Step 106: 16800 + 160 = 16960
Step 107: 16960 + 160 = 17120
Step 108: 17120 + 160 = 17280
Step 109: 17280 + 160 = 17440
Step 110: 17440 + 160 = 17600
Step 111: 17600 + 160 = 17760
Step 112: 17760 + 160 = 17920
Step 113: 17920 + 160 = 18080
Step 114: 18080 + 160 = 18240
Step 115: 18240 + 160 = 18400
Step 116: 18400 + 160 = 18560
Step 117: 18560 + 160 = 18720
Step 118: 18720 + 160 = 18880
Step 119: 18880 + 160 = 19040
Step 120: 19040 + 160 = 19200
Step 121: 19200 + 160 = 19360
Step 122: 19360 + 160 = 19520
Step 123: 19520 + 160 = 19680
Step 124: 19680 + 160 = 19840
Step 125: 19840 + 160 = 20000
Step 126: 20000 + 160 = 20160
Step 127: 20160 + 160 = 20320
Step 128: 20320 + 160 = 20480
Step 129: 20480 + 160 = 20640
Step 130: 20640 + 160 = 20800
Step 131: 20800 + 160 = 20960
Step 132: 20960 + 160 = 21120
Step 133: 21120 + 160 = 21280
Step 134: 21280 + 160 = 21440
Step 135: 21440 + 160 = 21600
Step 136: 21600 + 160 = 21760
Step 137: 21760 + 160 = 21920

So, 160*137 = 21920