Alright, let's solve this math problem step by step. First, we have the number 20. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 174. So, we're going to take the number 20 and add it to itself 174 times.
Step 1: 0 + 20 = 20
Step 2: 20 + 20 = 40
Step 3: 40 + 20 = 60
Step 4: 60 + 20 = 80
Step 5: 80 + 20 = 100
Step 6: 100 + 20 = 120
Step 7: 120 + 20 = 140
Step 8: 140 + 20 = 160
Step 9: 160 + 20 = 180
Step 10: 180 + 20 = 200
Step 11: 200 + 20 = 220
Step 12: 220 + 20 = 240
Step 13: 240 + 20 = 260
Step 14: 260 + 20 = 280
Step 15: 280 + 20 = 300
Step 16: 300 + 20 = 320
Step 17: 320 + 20 = 340
Step 18: 340 + 20 = 360
Step 19: 360 + 20 = 380
Step 20: 380 + 20 = 400
Step 21: 400 + 20 = 420
Step 22: 420 + 20 = 440
Step 23: 440 + 20 = 460
Step 24: 460 + 20 = 480
Step 25: 480 + 20 = 500
Step 26: 500 + 20 = 520
Step 27: 520 + 20 = 540
Step 28: 540 + 20 = 560
Step 29: 560 + 20 = 580
Step 30: 580 + 20 = 600
Step 31: 600 + 20 = 620
Step 32: 620 + 20 = 640
Step 33: 640 + 20 = 660
Step 34: 660 + 20 = 680
Step 35: 680 + 20 = 700
Step 36: 700 + 20 = 720
Step 37: 720 + 20 = 740
Step 38: 740 + 20 = 760
Step 39: 760 + 20 = 780
Step 40: 780 + 20 = 800
Step 41: 800 + 20 = 820
Step 42: 820 + 20 = 840
Step 43: 840 + 20 = 860
Step 44: 860 + 20 = 880
Step 45: 880 + 20 = 900
Step 46: 900 + 20 = 920
Step 47: 920 + 20 = 940
Step 48: 940 + 20 = 960
Step 49: 960 + 20 = 980
Step 50: 980 + 20 = 1000
Step 51: 1000 + 20 = 1020
Step 52: 1020 + 20 = 1040
Step 53: 1040 + 20 = 1060
Step 54: 1060 + 20 = 1080
Step 55: 1080 + 20 = 1100
Step 56: 1100 + 20 = 1120
Step 57: 1120 + 20 = 1140
Step 58: 1140 + 20 = 1160
Step 59: 1160 + 20 = 1180
Step 60: 1180 + 20 = 1200
Step 61: 1200 + 20 = 1220
Step 62: 1220 + 20 = 1240
Step 63: 1240 + 20 = 1260
Step 64: 1260 + 20 = 1280
Step 65: 1280 + 20 = 1300
Step 66: 1300 + 20 = 1320
Step 67: 1320 + 20 = 1340
Step 68: 1340 + 20 = 1360
Step 69: 1360 + 20 = 1380
Step 70: 1380 + 20 = 1400
Step 71: 1400 + 20 = 1420
Step 72: 1420 + 20 = 1440
Step 73: 1440 + 20 = 1460
Step 74: 1460 + 20 = 1480
Step 75: 1480 + 20 = 1500
Step 76: 1500 + 20 = 1520
Step 77: 1520 + 20 = 1540
Step 78: 1540 + 20 = 1560
Step 79: 1560 + 20 = 1580
Step 80: 1580 + 20 = 1600
Step 81: 1600 + 20 = 1620
Step 82: 1620 + 20 = 1640
Step 83: 1640 + 20 = 1660
Step 84: 1660 + 20 = 1680
Step 85: 1680 + 20 = 1700
Step 86: 1700 + 20 = 1720
Step 87: 1720 + 20 = 1740
Step 88: 1740 + 20 = 1760
Step 89: 1760 + 20 = 1780
Step 90: 1780 + 20 = 1800
Step 91: 1800 + 20 = 1820
Step 92: 1820 + 20 = 1840
Step 93: 1840 + 20 = 1860
Step 94: 1860 + 20 = 1880
Step 95: 1880 + 20 = 1900
Step 96: 1900 + 20 = 1920
Step 97: 1920 + 20 = 1940
Step 98: 1940 + 20 = 1960
Step 99: 1960 + 20 = 1980
Step 100: 1980 + 20 = 2000
Step 101: 2000 + 20 = 2020
Step 102: 2020 + 20 = 2040
Step 103: 2040 + 20 = 2060
Step 104: 2060 + 20 = 2080
Step 105: 2080 + 20 = 2100
Step 106: 2100 + 20 = 2120
Step 107: 2120 + 20 = 2140
Step 108: 2140 + 20 = 2160
Step 109: 2160 + 20 = 2180
Step 110: 2180 + 20 = 2200
Step 111: 2200 + 20 = 2220
Step 112: 2220 + 20 = 2240
Step 113: 2240 + 20 = 2260
Step 114: 2260 + 20 = 2280
Step 115: 2280 + 20 = 2300
Step 116: 2300 + 20 = 2320
Step 117: 2320 + 20 = 2340
Step 118: 2340 + 20 = 2360
Step 119: 2360 + 20 = 2380
Step 120: 2380 + 20 = 2400
Step 121: 2400 + 20 = 2420
Step 122: 2420 + 20 = 2440
Step 123: 2440 + 20 = 2460
Step 124: 2460 + 20 = 2480
Step 125: 2480 + 20 = 2500
Step 126: 2500 + 20 = 2520
Step 127: 2520 + 20 = 2540
Step 128: 2540 + 20 = 2560
Step 129: 2560 + 20 = 2580
Step 130: 2580 + 20 = 2600
Step 131: 2600 + 20 = 2620
Step 132: 2620 + 20 = 2640
Step 133: 2640 + 20 = 2660
Step 134: 2660 + 20 = 2680
Step 135: 2680 + 20 = 2700
Step 136: 2700 + 20 = 2720
Step 137: 2720 + 20 = 2740
Step 138: 2740 + 20 = 2760
Step 139: 2760 + 20 = 2780
Step 140: 2780 + 20 = 2800
Step 141: 2800 + 20 = 2820
Step 142: 2820 + 20 = 2840
Step 143: 2840 + 20 = 2860
Step 144: 2860 + 20 = 2880
Step 145: 2880 + 20 = 2900
Step 146: 2900 + 20 = 2920
Step 147: 2920 + 20 = 2940
Step 148: 2940 + 20 = 2960
Step 149: 2960 + 20 = 2980
Step 150: 2980 + 20 = 3000
Step 151: 3000 + 20 = 3020
Step 152: 3020 + 20 = 3040
Step 153: 3040 + 20 = 3060
Step 154: 3060 + 20 = 3080
Step 155: 3080 + 20 = 3100
Step 156: 3100 + 20 = 3120
Step 157: 3120 + 20 = 3140
Step 158: 3140 + 20 = 3160
Step 159: 3160 + 20 = 3180
Step 160: 3180 + 20 = 3200
Step 161: 3200 + 20 = 3220
Step 162: 3220 + 20 = 3240
Step 163: 3240 + 20 = 3260
Step 164: 3260 + 20 = 3280
Step 165: 3280 + 20 = 3300
Step 166: 3300 + 20 = 3320
Step 167: 3320 + 20 = 3340
Step 168: 3340 + 20 = 3360
Step 169: 3360 + 20 = 3380
Step 170: 3380 + 20 = 3400
Step 171: 3400 + 20 = 3420
Step 172: 3420 + 20 = 3440
Step 173: 3440 + 20 = 3460
Step 174: 3460 + 20 = 3480

So, 20*174 = 3480