OK, let's work through this together. We're starting with 360 and we're going to multiply it by 216, which means we add 360 to itself 216 times.
Step 1: 0 + 360 = 360
Step 2: 360 + 360 = 720
Step 3: 720 + 360 = 1080
Step 4: 1080 + 360 = 1440
Step 5: 1440 + 360 = 1800
Step 6: 1800 + 360 = 2160
Step 7: 2160 + 360 = 2520
Step 8: 2520 + 360 = 2880
Step 9: 2880 + 360 = 3240
Step 10: 3240 + 360 = 3600
Step 11: 3600 + 360 = 3960
Step 12: 3960 + 360 = 4320
Step 13: 4320 + 360 = 4680
Step 14: 4680 + 360 = 5040
Step 15: 5040 + 360 = 5400
Step 16: 5400 + 360 = 5760
Step 17: 5760 + 360 = 6120
Step 18: 6120 + 360 = 6480
Step 19: 6480 + 360 = 6840
Step 20: 6840 + 360 = 7200
Step 21: 7200 + 360 = 7560
Step 22: 7560 + 360 = 7920
Step 23: 7920 + 360 = 8280
Step 24: 8280 + 360 = 8640
Step 25: 8640 + 360 = 9000
Step 26: 9000 + 360 = 9360
Step 27: 9360 + 360 = 9720
Step 28: 9720 + 360 = 10080
Step 29: 10080 + 360 = 10440
Step 30: 10440 + 360 = 10800
Step 31: 10800 + 360 = 11160
Step 32: 11160 + 360 = 11520
Step 33: 11520 + 360 = 11880
Step 34: 11880 + 360 = 12240
Step 35: 12240 + 360 = 12600
Step 36: 12600 + 360 = 12960
Step 37: 12960 + 360 = 13320
Step 38: 13320 + 360 = 13680
Step 39: 13680 + 360 = 14040
Step 40: 14040 + 360 = 14400
Step 41: 14400 + 360 = 14760
Step 42: 14760 + 360 = 15120
Step 43: 15120 + 360 = 15480
Step 44: 15480 + 360 = 15840
Step 45: 15840 + 360 = 16200
Step 46: 16200 + 360 = 16560
Step 47: 16560 + 360 = 16920
Step 48: 16920 + 360 = 17280
Step 49: 17280 + 360 = 17640
Step 50: 17640 + 360 = 18000
Step 51: 18000 + 360 = 18360
Step 52: 18360 + 360 = 18720
Step 53: 18720 + 360 = 19080
Step 54: 19080 + 360 = 19440
Step 55: 19440 + 360 = 19800
Step 56: 19800 + 360 = 20160
Step 57: 20160 + 360 = 20520
Step 58: 20520 + 360 = 20880
Step 59: 20880 + 360 = 21240
Step 60: 21240 + 360 = 21600
Step 61: 21600 + 360 = 21960
Step 62: 21960 + 360 = 22320
Step 63: 22320 + 360 = 22680
Step 64: 22680 + 360 = 23040
Step 65: 23040 + 360 = 23400
Step 66: 23400 + 360 = 23760
Step 67: 23760 + 360 = 24120
Step 68: 24120 + 360 = 24480
Step 69: 24480 + 360 = 24840
Step 70: 24840 + 360 = 25200
Step 71: 25200 + 360 = 25560
Step 72: 25560 + 360 = 25920
Step 73: 25920 + 360 = 26280
Step 74: 26280 + 360 = 26640
Step 75: 26640 + 360 = 27000
Step 76: 27000 + 360 = 27360
Step 77: 27360 + 360 = 27720
Step 78: 27720 + 360 = 28080
Step 79: 28080 + 360 = 28440
Step 80: 28440 + 360 = 28800
Step 81: 28800 + 360 = 29160
Step 82: 29160 + 360 = 29520
Step 83: 29520 + 360 = 29880
Step 84: 29880 + 360 = 30240
Step 85: 30240 + 360 = 30600
Step 86: 30600 + 360 = 30960
Step 87: 30960 + 360 = 31320
Step 88: 31320 + 360 = 31680
Step 89: 31680 + 360 = 32040
Step 90: 32040 + 360 = 32400
Step 91: 32400 + 360 = 32760
Step 92: 32760 + 360 = 33120
Step 93: 33120 + 360 = 33480
Step 94: 33480 + 360 = 33840
Step 95: 33840 + 360 = 34200
Step 96: 34200 + 360 = 34560
Step 97: 34560 + 360 = 34920
Step 98: 34920 + 360 = 35280
Step 99: 35280 + 360 = 35640
Step 100: 35640 + 360 = 36000
Step 101: 36000 + 360 = 36360
Step 102: 36360 + 360 = 36720
Step 103: 36720 + 360 = 37080
Step 104: 37080 + 360 = 37440
Step 105: 37440 + 360 = 37800
Step 106: 37800 + 360 = 38160
Step 107: 38160 + 360 = 38520
Step 108: 38520 + 360 = 38880
Step 109: 38880 + 360 = 39240
Step 110: 39240 + 360 = 39600
Step 111: 39600 + 360 = 39960
Step 112: 39960 + 360 = 40320
Step 113: 40320 + 360 = 40680
Step 114: 40680 + 360 = 41040
Step 115: 41040 + 360 = 41400
Step 116: 41400 + 360 = 41760
Step 117: 41760 + 360 = 42120
Step 118: 42120 + 360 = 42480
Step 119: 42480 + 360 = 42840
Step 120: 42840 + 360 = 43200
Step 121: 43200 + 360 = 43560
Step 122: 43560 + 360 = 43920
Step 123: 43920 + 360 = 44280
Step 124: 44280 + 360 = 44640
Step 125: 44640 + 360 = 45000
Step 126: 45000 + 360 = 45360
Step 127: 45360 + 360 = 45720
Step 128: 45720 + 360 = 46080
Step 129: 46080 + 360 = 46440
Step 130: 46440 + 360 = 46800
Step 131: 46800 + 360 = 47160
Step 132: 47160 + 360 = 47520
Step 133: 47520 + 360 = 47880
Step 134: 47880 + 360 = 48240
Step 135: 48240 + 360 = 48600
Step 136: 48600 + 360 = 48960
Step 137: 48960 + 360 = 49320
Step 138: 49320 + 360 = 49680
Step 139: 49680 + 360 = 50040
Step 140: 50040 + 360 = 50400
Step 141: 50400 + 360 = 50760
Step 142: 50760 + 360 = 51120
Step 143: 51120 + 360 = 51480
Step 144: 51480 + 360 = 51840
Step 145: 51840 + 360 = 52200
Step 146: 52200 + 360 = 52560
Step 147: 52560 + 360 = 52920
Step 148: 52920 + 360 = 53280
Step 149: 53280 + 360 = 53640
Step 150: 53640 + 360 = 54000
Step 151: 54000 + 360 = 54360
Step 152: 54360 + 360 = 54720
Step 153: 54720 + 360 = 55080
Step 154: 55080 + 360 = 55440
Step 155: 55440 + 360 = 55800
Step 156: 55800 + 360 = 56160
Step 157: 56160 + 360 = 56520
Step 158: 56520 + 360 = 56880
Step 159: 56880 + 360 = 57240
Step 160: 57240 + 360 = 57600
Step 161: 57600 + 360 = 57960
Step 162: 57960 + 360 = 58320
Step 163: 58320 + 360 = 58680
Step 164: 58680 + 360 = 59040
Step 165: 59040 + 360 = 59400
Step 166: 59400 + 360 = 59760
Step 167: 59760 + 360 = 60120
Step 168: 60120 + 360 = 60480
Step 169: 60480 + 360 = 60840
Step 170: 60840 + 360 = 61200
Step 171: 61200 + 360 = 61560
Step 172: 61560 + 360 = 61920
Step 173: 61920 + 360 = 62280
Step 174: 62280 + 360 = 62640
Step 175: 62640 + 360 = 63000
Step 176: 63000 + 360 = 63360
Step 177: 63360 + 360 = 63720
Step 178: 63720 + 360 = 64080
Step 179: 64080 + 360 = 64440
Step 180: 64440 + 360 = 64800
Step 181: 64800 + 360 = 65160
Step 182: 65160 + 360 = 65520
Step 183: 65520 + 360 = 65880
Step 184: 65880 + 360 = 66240
Step 185: 66240 + 360 = 66600
Step 186: 66600 + 360 = 66960
Step 187: 66960 + 360 = 67320
Step 188: 67320 + 360 = 67680
Step 189: 67680 + 360 = 68040
Step 190: 68040 + 360 = 68400
Step 191: 68400 + 360 = 68760
Step 192: 68760 + 360 = 69120
Step 193: 69120 + 360 = 69480
Step 194: 69480 + 360 = 69840
Step 195: 69840 + 360 = 70200
Step 196: 70200 + 360 = 70560
Step 197: 70560 + 360 = 70920
Step 198: 70920 + 360 = 71280
Step 199: 71280 + 360 = 71640
Step 200: 71640 + 360 = 72000
Step 201: 72000 + 360 = 72360
Step 202: 72360 + 360 = 72720
Step 203: 72720 + 360 = 73080
Step 204: 73080 + 360 = 73440
Step 205: 73440 + 360 = 73800
Step 206: 73800 + 360 = 74160
Step 207: 74160 + 360 = 74520
Step 208: 74520 + 360 = 74880
Step 209: 74880 + 360 = 75240
Step 210: 75240 + 360 = 75600
Step 211: 75600 + 360 = 75960
Step 212: 75960 + 360 = 76320
Step 213: 76320 + 360 = 76680
Step 214: 76680 + 360 = 77040
Step 215: 77040 + 360 = 77400
Step 216: 77400 + 360 = 77760

So, 360*216 = 77760