Alright, let's solve this math problem step by step. First, we have the number 650. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 123. So, we're going to take the number 650 and add it to itself 123 times.
Step 1: 0 + 650 = 650
Step 2: 650 + 650 = 1300
Step 3: 1300 + 650 = 1950
Step 4: 1950 + 650 = 2600
Step 5: 2600 + 650 = 3250
Step 6: 3250 + 650 = 3900
Step 7: 3900 + 650 = 4550
Step 8: 4550 + 650 = 5200
Step 9: 5200 + 650 = 5850
Step 10: 5850 + 650 = 6500
Step 11: 6500 + 650 = 7150
Step 12: 7150 + 650 = 7800
Step 13: 7800 + 650 = 8450
Step 14: 8450 + 650 = 9100
Step 15: 9100 + 650 = 9750
Step 16: 9750 + 650 = 10400
Step 17: 10400 + 650 = 11050
Step 18: 11050 + 650 = 11700
Step 19: 11700 + 650 = 12350
Step 20: 12350 + 650 = 13000
Step 21: 13000 + 650 = 13650
Step 22: 13650 + 650 = 14300
Step 23: 14300 + 650 = 14950
Step 24: 14950 + 650 = 15600
Step 25: 15600 + 650 = 16250
Step 26: 16250 + 650 = 16900
Step 27: 16900 + 650 = 17550
Step 28: 17550 + 650 = 18200
Step 29: 18200 + 650 = 18850
Step 30: 18850 + 650 = 19500
Step 31: 19500 + 650 = 20150
Step 32: 20150 + 650 = 20800
Step 33: 20800 + 650 = 21450
Step 34: 21450 + 650 = 22100
Step 35: 22100 + 650 = 22750
Step 36: 22750 + 650 = 23400
Step 37: 23400 + 650 = 24050
Step 38: 24050 + 650 = 24700
Step 39: 24700 + 650 = 25350
Step 40: 25350 + 650 = 26000
Step 41: 26000 + 650 = 26650
Step 42: 26650 + 650 = 27300
Step 43: 27300 + 650 = 27950
Step 44: 27950 + 650 = 28600
Step 45: 28600 + 650 = 29250
Step 46: 29250 + 650 = 29900
Step 47: 29900 + 650 = 30550
Step 48: 30550 + 650 = 31200
Step 49: 31200 + 650 = 31850
Step 50: 31850 + 650 = 32500
Step 51: 32500 + 650 = 33150
Step 52: 33150 + 650 = 33800
Step 53: 33800 + 650 = 34450
Step 54: 34450 + 650 = 35100
Step 55: 35100 + 650 = 35750
Step 56: 35750 + 650 = 36400
Step 57: 36400 + 650 = 37050
Step 58: 37050 + 650 = 37700
Step 59: 37700 + 650 = 38350
Step 60: 38350 + 650 = 39000
Step 61: 39000 + 650 = 39650
Step 62: 39650 + 650 = 40300
Step 63: 40300 + 650 = 40950
Step 64: 40950 + 650 = 41600
Step 65: 41600 + 650 = 42250
Step 66: 42250 + 650 = 42900
Step 67: 42900 + 650 = 43550
Step 68: 43550 + 650 = 44200
Step 69: 44200 + 650 = 44850
Step 70: 44850 + 650 = 45500
Step 71: 45500 + 650 = 46150
Step 72: 46150 + 650 = 46800
Step 73: 46800 + 650 = 47450
Step 74: 47450 + 650 = 48100
Step 75: 48100 + 650 = 48750
Step 76: 48750 + 650 = 49400
Step 77: 49400 + 650 = 50050
Step 78: 50050 + 650 = 50700
Step 79: 50700 + 650 = 51350
Step 80: 51350 + 650 = 52000
Step 81: 52000 + 650 = 52650
Step 82: 52650 + 650 = 53300
Step 83: 53300 + 650 = 53950
Step 84: 53950 + 650 = 54600
Step 85: 54600 + 650 = 55250
Step 86: 55250 + 650 = 55900
Step 87: 55900 + 650 = 56550
Step 88: 56550 + 650 = 57200
Step 89: 57200 + 650 = 57850
Step 90: 57850 + 650 = 58500
Step 91: 58500 + 650 = 59150
Step 92: 59150 + 650 = 59800
Step 93: 59800 + 650 = 60450
Step 94: 60450 + 650 = 61100
Step 95: 61100 + 650 = 61750
Step 96: 61750 + 650 = 62400
Step 97: 62400 + 650 = 63050
Step 98: 63050 + 650 = 63700
Step 99: 63700 + 650 = 64350
Step 100: 64350 + 650 = 65000
Step 101: 65000 + 650 = 65650
Step 102: 65650 + 650 = 66300
Step 103: 66300 + 650 = 66950
Step 104: 66950 + 650 = 67600
Step 105: 67600 + 650 = 68250
Step 106: 68250 + 650 = 68900
Step 107: 68900 + 650 = 69550
Step 108: 69550 + 650 = 70200
Step 109: 70200 + 650 = 70850
Step 110: 70850 + 650 = 71500
Step 111: 71500 + 650 = 72150
Step 112: 72150 + 650 = 72800
Step 113: 72800 + 650 = 73450
Step 114: 73450 + 650 = 74100
Step 115: 74100 + 650 = 74750
Step 116: 74750 + 650 = 75400
Step 117: 75400 + 650 = 76050
Step 118: 76050 + 650 = 76700
Step 119: 76700 + 650 = 77350
Step 120: 77350 + 650 = 78000
Step 121: 78000 + 650 = 78650
Step 122: 78650 + 650 = 79300
Step 123: 79300 + 650 = 79950

So, 650*123 = 79950