Alright, let's solve this math problem step by step. First, we have the number 600. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 153. So, we're going to take the number 600 and add it to itself 153 times.
Step 1: 0 + 600 = 600
Step 2: 600 + 600 = 1200
Step 3: 1200 + 600 = 1800
Step 4: 1800 + 600 = 2400
Step 5: 2400 + 600 = 3000
Step 6: 3000 + 600 = 3600
Step 7: 3600 + 600 = 4200
Step 8: 4200 + 600 = 4800
Step 9: 4800 + 600 = 5400
Step 10: 5400 + 600 = 6000
Step 11: 6000 + 600 = 6600
Step 12: 6600 + 600 = 7200
Step 13: 7200 + 600 = 7800
Step 14: 7800 + 600 = 8400
Step 15: 8400 + 600 = 9000
Step 16: 9000 + 600 = 9600
Step 17: 9600 + 600 = 10200
Step 18: 10200 + 600 = 10800
Step 19: 10800 + 600 = 11400
Step 20: 11400 + 600 = 12000
Step 21: 12000 + 600 = 12600
Step 22: 12600 + 600 = 13200
Step 23: 13200 + 600 = 13800
Step 24: 13800 + 600 = 14400
Step 25: 14400 + 600 = 15000
Step 26: 15000 + 600 = 15600
Step 27: 15600 + 600 = 16200
Step 28: 16200 + 600 = 16800
Step 29: 16800 + 600 = 17400
Step 30: 17400 + 600 = 18000
Step 31: 18000 + 600 = 18600
Step 32: 18600 + 600 = 19200
Step 33: 19200 + 600 = 19800
Step 34: 19800 + 600 = 20400
Step 35: 20400 + 600 = 21000
Step 36: 21000 + 600 = 21600
Step 37: 21600 + 600 = 22200
Step 38: 22200 + 600 = 22800
Step 39: 22800 + 600 = 23400
Step 40: 23400 + 600 = 24000
Step 41: 24000 + 600 = 24600
Step 42: 24600 + 600 = 25200
Step 43: 25200 + 600 = 25800
Step 44: 25800 + 600 = 26400
Step 45: 26400 + 600 = 27000
Step 46: 27000 + 600 = 27600
Step 47: 27600 + 600 = 28200
Step 48: 28200 + 600 = 28800
Step 49: 28800 + 600 = 29400
Step 50: 29400 + 600 = 30000
Step 51: 30000 + 600 = 30600
Step 52: 30600 + 600 = 31200
Step 53: 31200 + 600 = 31800
Step 54: 31800 + 600 = 32400
Step 55: 32400 + 600 = 33000
Step 56: 33000 + 600 = 33600
Step 57: 33600 + 600 = 34200
Step 58: 34200 + 600 = 34800
Step 59: 34800 + 600 = 35400
Step 60: 35400 + 600 = 36000
Step 61: 36000 + 600 = 36600
Step 62: 36600 + 600 = 37200
Step 63: 37200 + 600 = 37800
Step 64: 37800 + 600 = 38400
Step 65: 38400 + 600 = 39000
Step 66: 39000 + 600 = 39600
Step 67: 39600 + 600 = 40200
Step 68: 40200 + 600 = 40800
Step 69: 40800 + 600 = 41400
Step 70: 41400 + 600 = 42000
Step 71: 42000 + 600 = 42600
Step 72: 42600 + 600 = 43200
Step 73: 43200 + 600 = 43800
Step 74: 43800 + 600 = 44400
Step 75: 44400 + 600 = 45000
Step 76: 45000 + 600 = 45600
Step 77: 45600 + 600 = 46200
Step 78: 46200 + 600 = 46800
Step 79: 46800 + 600 = 47400
Step 80: 47400 + 600 = 48000
Step 81: 48000 + 600 = 48600
Step 82: 48600 + 600 = 49200
Step 83: 49200 + 600 = 49800
Step 84: 49800 + 600 = 50400
Step 85: 50400 + 600 = 51000
Step 86: 51000 + 600 = 51600
Step 87: 51600 + 600 = 52200
Step 88: 52200 + 600 = 52800
Step 89: 52800 + 600 = 53400
Step 90: 53400 + 600 = 54000
Step 91: 54000 + 600 = 54600
Step 92: 54600 + 600 = 55200
Step 93: 55200 + 600 = 55800
Step 94: 55800 + 600 = 56400
Step 95: 56400 + 600 = 57000
Step 96: 57000 + 600 = 57600
Step 97: 57600 + 600 = 58200
Step 98: 58200 + 600 = 58800
Step 99: 58800 + 600 = 59400
Step 100: 59400 + 600 = 60000
Step 101: 60000 + 600 = 60600
Step 102: 60600 + 600 = 61200
Step 103: 61200 + 600 = 61800
Step 104: 61800 + 600 = 62400
Step 105: 62400 + 600 = 63000
Step 106: 63000 + 600 = 63600
Step 107: 63600 + 600 = 64200
Step 108: 64200 + 600 = 64800
Step 109: 64800 + 600 = 65400
Step 110: 65400 + 600 = 66000
Step 111: 66000 + 600 = 66600
Step 112: 66600 + 600 = 67200
Step 113: 67200 + 600 = 67800
Step 114: 67800 + 600 = 68400
Step 115: 68400 + 600 = 69000
Step 116: 69000 + 600 = 69600
Step 117: 69600 + 600 = 70200
Step 118: 70200 + 600 = 70800
Step 119: 70800 + 600 = 71400
Step 120: 71400 + 600 = 72000
Step 121: 72000 + 600 = 72600
Step 122: 72600 + 600 = 73200
Step 123: 73200 + 600 = 73800
Step 124: 73800 + 600 = 74400
Step 125: 74400 + 600 = 75000
Step 126: 75000 + 600 = 75600
Step 127: 75600 + 600 = 76200
Step 128: 76200 + 600 = 76800
Step 129: 76800 + 600 = 77400
Step 130: 77400 + 600 = 78000
Step 131: 78000 + 600 = 78600
Step 132: 78600 + 600 = 79200
Step 133: 79200 + 600 = 79800
Step 134: 79800 + 600 = 80400
Step 135: 80400 + 600 = 81000
Step 136: 81000 + 600 = 81600
Step 137: 81600 + 600 = 82200
Step 138: 82200 + 600 = 82800
Step 139: 82800 + 600 = 83400
Step 140: 83400 + 600 = 84000
Step 141: 84000 + 600 = 84600
Step 142: 84600 + 600 = 85200
Step 143: 85200 + 600 = 85800
Step 144: 85800 + 600 = 86400
Step 145: 86400 + 600 = 87000
Step 146: 87000 + 600 = 87600
Step 147: 87600 + 600 = 88200
Step 148: 88200 + 600 = 88800
Step 149: 88800 + 600 = 89400
Step 150: 89400 + 600 = 90000
Step 151: 90000 + 600 = 90600
Step 152: 90600 + 600 = 91200
Step 153: 91200 + 600 = 91800

So, 600*153 = 91800