Alright, let's solve this math problem step by step. First, we have the number 520. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 121. So, we're going to take the number 520 and add it to itself 121 times.
Step 1: 0 + 520 = 520
Step 2: 520 + 520 = 1040
Step 3: 1040 + 520 = 1560
Step 4: 1560 + 520 = 2080
Step 5: 2080 + 520 = 2600
Step 6: 2600 + 520 = 3120
Step 7: 3120 + 520 = 3640
Step 8: 3640 + 520 = 4160
Step 9: 4160 + 520 = 4680
Step 10: 4680 + 520 = 5200
Step 11: 5200 + 520 = 5720
Step 12: 5720 + 520 = 6240
Step 13: 6240 + 520 = 6760
Step 14: 6760 + 520 = 7280
Step 15: 7280 + 520 = 7800
Step 16: 7800 + 520 = 8320
Step 17: 8320 + 520 = 8840
Step 18: 8840 + 520 = 9360
Step 19: 9360 + 520 = 9880
Step 20: 9880 + 520 = 10400
Step 21: 10400 + 520 = 10920
Step 22: 10920 + 520 = 11440
Step 23: 11440 + 520 = 11960
Step 24: 11960 + 520 = 12480
Step 25: 12480 + 520 = 13000
Step 26: 13000 + 520 = 13520
Step 27: 13520 + 520 = 14040
Step 28: 14040 + 520 = 14560
Step 29: 14560 + 520 = 15080
Step 30: 15080 + 520 = 15600
Step 31: 15600 + 520 = 16120
Step 32: 16120 + 520 = 16640
Step 33: 16640 + 520 = 17160
Step 34: 17160 + 520 = 17680
Step 35: 17680 + 520 = 18200
Step 36: 18200 + 520 = 18720
Step 37: 18720 + 520 = 19240
Step 38: 19240 + 520 = 19760
Step 39: 19760 + 520 = 20280
Step 40: 20280 + 520 = 20800
Step 41: 20800 + 520 = 21320
Step 42: 21320 + 520 = 21840
Step 43: 21840 + 520 = 22360
Step 44: 22360 + 520 = 22880
Step 45: 22880 + 520 = 23400
Step 46: 23400 + 520 = 23920
Step 47: 23920 + 520 = 24440
Step 48: 24440 + 520 = 24960
Step 49: 24960 + 520 = 25480
Step 50: 25480 + 520 = 26000
Step 51: 26000 + 520 = 26520
Step 52: 26520 + 520 = 27040
Step 53: 27040 + 520 = 27560
Step 54: 27560 + 520 = 28080
Step 55: 28080 + 520 = 28600
Step 56: 28600 + 520 = 29120
Step 57: 29120 + 520 = 29640
Step 58: 29640 + 520 = 30160
Step 59: 30160 + 520 = 30680
Step 60: 30680 + 520 = 31200
Step 61: 31200 + 520 = 31720
Step 62: 31720 + 520 = 32240
Step 63: 32240 + 520 = 32760
Step 64: 32760 + 520 = 33280
Step 65: 33280 + 520 = 33800
Step 66: 33800 + 520 = 34320
Step 67: 34320 + 520 = 34840
Step 68: 34840 + 520 = 35360
Step 69: 35360 + 520 = 35880
Step 70: 35880 + 520 = 36400
Step 71: 36400 + 520 = 36920
Step 72: 36920 + 520 = 37440
Step 73: 37440 + 520 = 37960
Step 74: 37960 + 520 = 38480
Step 75: 38480 + 520 = 39000
Step 76: 39000 + 520 = 39520
Step 77: 39520 + 520 = 40040
Step 78: 40040 + 520 = 40560
Step 79: 40560 + 520 = 41080
Step 80: 41080 + 520 = 41600
Step 81: 41600 + 520 = 42120
Step 82: 42120 + 520 = 42640
Step 83: 42640 + 520 = 43160
Step 84: 43160 + 520 = 43680
Step 85: 43680 + 520 = 44200
Step 86: 44200 + 520 = 44720
Step 87: 44720 + 520 = 45240
Step 88: 45240 + 520 = 45760
Step 89: 45760 + 520 = 46280
Step 90: 46280 + 520 = 46800
Step 91: 46800 + 520 = 47320
Step 92: 47320 + 520 = 47840
Step 93: 47840 + 520 = 48360
Step 94: 48360 + 520 = 48880
Step 95: 48880 + 520 = 49400
Step 96: 49400 + 520 = 49920
Step 97: 49920 + 520 = 50440
Step 98: 50440 + 520 = 50960
Step 99: 50960 + 520 = 51480
Step 100: 51480 + 520 = 52000
Step 101: 52000 + 520 = 52520
Step 102: 52520 + 520 = 53040
Step 103: 53040 + 520 = 53560
Step 104: 53560 + 520 = 54080
Step 105: 54080 + 520 = 54600
Step 106: 54600 + 520 = 55120
Step 107: 55120 + 520 = 55640
Step 108: 55640 + 520 = 56160
Step 109: 56160 + 520 = 56680
Step 110: 56680 + 520 = 57200
Step 111: 57200 + 520 = 57720
Step 112: 57720 + 520 = 58240
Step 113: 58240 + 520 = 58760
Step 114: 58760 + 520 = 59280
Step 115: 59280 + 520 = 59800
Step 116: 59800 + 520 = 60320
Step 117: 60320 + 520 = 60840
Step 118: 60840 + 520 = 61360
Step 119: 61360 + 520 = 61880
Step 120: 61880 + 520 = 62400
Step 121: 62400 + 520 = 62920

So, 520*121 = 62920