Alright, let's solve this math problem step by step. First, we have the number 672. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 217. So, we're going to take the number 672 and add it to itself 217 times.
Step 1: 0 + 672 = 672
Step 2: 672 + 672 = 1344
Step 3: 1344 + 672 = 2016
Step 4: 2016 + 672 = 2688
Step 5: 2688 + 672 = 3360
Step 6: 3360 + 672 = 4032
Step 7: 4032 + 672 = 4704
Step 8: 4704 + 672 = 5376
Step 9: 5376 + 672 = 6048
Step 10: 6048 + 672 = 6720
Step 11: 6720 + 672 = 7392
Step 12: 7392 + 672 = 8064
Step 13: 8064 + 672 = 8736
Step 14: 8736 + 672 = 9408
Step 15: 9408 + 672 = 10080
Step 16: 10080 + 672 = 10752
Step 17: 10752 + 672 = 11424
Step 18: 11424 + 672 = 12096
Step 19: 12096 + 672 = 12768
Step 20: 12768 + 672 = 13440
Step 21: 13440 + 672 = 14112
Step 22: 14112 + 672 = 14784
Step 23: 14784 + 672 = 15456
Step 24: 15456 + 672 = 16128
Step 25: 16128 + 672 = 16800
Step 26: 16800 + 672 = 17472
Step 27: 17472 + 672 = 18144
Step 28: 18144 + 672 = 18816
Step 29: 18816 + 672 = 19488
Step 30: 19488 + 672 = 20160
Step 31: 20160 + 672 = 20832
Step 32: 20832 + 672 = 21504
Step 33: 21504 + 672 = 22176
Step 34: 22176 + 672 = 22848
Step 35: 22848 + 672 = 23520
Step 36: 23520 + 672 = 24192
Step 37: 24192 + 672 = 24864
Step 38: 24864 + 672 = 25536
Step 39: 25536 + 672 = 26208
Step 40: 26208 + 672 = 26880
Step 41: 26880 + 672 = 27552
Step 42: 27552 + 672 = 28224
Step 43: 28224 + 672 = 28896
Step 44: 28896 + 672 = 29568
Step 45: 29568 + 672 = 30240
Step 46: 30240 + 672 = 30912
Step 47: 30912 + 672 = 31584
Step 48: 31584 + 672 = 32256
Step 49: 32256 + 672 = 32928
Step 50: 32928 + 672 = 33600
Step 51: 33600 + 672 = 34272
Step 52: 34272 + 672 = 34944
Step 53: 34944 + 672 = 35616
Step 54: 35616 + 672 = 36288
Step 55: 36288 + 672 = 36960
Step 56: 36960 + 672 = 37632
Step 57: 37632 + 672 = 38304
Step 58: 38304 + 672 = 38976
Step 59: 38976 + 672 = 39648
Step 60: 39648 + 672 = 40320
Step 61: 40320 + 672 = 40992
Step 62: 40992 + 672 = 41664
Step 63: 41664 + 672 = 42336
Step 64: 42336 + 672 = 43008
Step 65: 43008 + 672 = 43680
Step 66: 43680 + 672 = 44352
Step 67: 44352 + 672 = 45024
Step 68: 45024 + 672 = 45696
Step 69: 45696 + 672 = 46368
Step 70: 46368 + 672 = 47040
Step 71: 47040 + 672 = 47712
Step 72: 47712 + 672 = 48384
Step 73: 48384 + 672 = 49056
Step 74: 49056 + 672 = 49728
Step 75: 49728 + 672 = 50400
Step 76: 50400 + 672 = 51072
Step 77: 51072 + 672 = 51744
Step 78: 51744 + 672 = 52416
Step 79: 52416 + 672 = 53088
Step 80: 53088 + 672 = 53760
Step 81: 53760 + 672 = 54432
Step 82: 54432 + 672 = 55104
Step 83: 55104 + 672 = 55776
Step 84: 55776 + 672 = 56448
Step 85: 56448 + 672 = 57120
Step 86: 57120 + 672 = 57792
Step 87: 57792 + 672 = 58464
Step 88: 58464 + 672 = 59136
Step 89: 59136 + 672 = 59808
Step 90: 59808 + 672 = 60480
Step 91: 60480 + 672 = 61152
Step 92: 61152 + 672 = 61824
Step 93: 61824 + 672 = 62496
Step 94: 62496 + 672 = 63168
Step 95: 63168 + 672 = 63840
Step 96: 63840 + 672 = 64512
Step 97: 64512 + 672 = 65184
Step 98: 65184 + 672 = 65856
Step 99: 65856 + 672 = 66528
Step 100: 66528 + 672 = 67200
Step 101: 67200 + 672 = 67872
Step 102: 67872 + 672 = 68544
Step 103: 68544 + 672 = 69216
Step 104: 69216 + 672 = 69888
Step 105: 69888 + 672 = 70560
Step 106: 70560 + 672 = 71232
Step 107: 71232 + 672 = 71904
Step 108: 71904 + 672 = 72576
Step 109: 72576 + 672 = 73248
Step 110: 73248 + 672 = 73920
Step 111: 73920 + 672 = 74592
Step 112: 74592 + 672 = 75264
Step 113: 75264 + 672 = 75936
Step 114: 75936 + 672 = 76608
Step 115: 76608 + 672 = 77280
Step 116: 77280 + 672 = 77952
Step 117: 77952 + 672 = 78624
Step 118: 78624 + 672 = 79296
Step 119: 79296 + 672 = 79968
Step 120: 79968 + 672 = 80640
Step 121: 80640 + 672 = 81312
Step 122: 81312 + 672 = 81984
Step 123: 81984 + 672 = 82656
Step 124: 82656 + 672 = 83328
Step 125: 83328 + 672 = 84000
Step 126: 84000 + 672 = 84672
Step 127: 84672 + 672 = 85344
Step 128: 85344 + 672 = 86016
Step 129: 86016 + 672 = 86688
Step 130: 86688 + 672 = 87360
Step 131: 87360 + 672 = 88032
Step 132: 88032 + 672 = 88704
Step 133: 88704 + 672 = 89376
Step 134: 89376 + 672 = 90048
Step 135: 90048 + 672 = 90720
Step 136: 90720 + 672 = 91392
Step 137: 91392 + 672 = 92064
Step 138: 92064 + 672 = 92736
Step 139: 92736 + 672 = 93408
Step 140: 93408 + 672 = 94080
Step 141: 94080 + 672 = 94752
Step 142: 94752 + 672 = 95424
Step 143: 95424 + 672 = 96096
Step 144: 96096 + 672 = 96768
Step 145: 96768 + 672 = 97440
Step 146: 97440 + 672 = 98112
Step 147: 98112 + 672 = 98784
Step 148: 98784 + 672 = 99456
Step 149: 99456 + 672 = 100128
Step 150: 100128 + 672 = 100800
Step 151: 100800 + 672 = 101472
Step 152: 101472 + 672 = 102144
Step 153: 102144 + 672 = 102816
Step 154: 102816 + 672 = 103488
Step 155: 103488 + 672 = 104160
Step 156: 104160 + 672 = 104832
Step 157: 104832 + 672 = 105504
Step 158: 105504 + 672 = 106176
Step 159: 106176 + 672 = 106848
Step 160: 106848 + 672 = 107520
Step 161: 107520 + 672 = 108192
Step 162: 108192 + 672 = 108864
Step 163: 108864 + 672 = 109536
Step 164: 109536 + 672 = 110208
Step 165: 110208 + 672 = 110880
Step 166: 110880 + 672 = 111552
Step 167: 111552 + 672 = 112224
Step 168: 112224 + 672 = 112896
Step 169: 112896 + 672 = 113568
Step 170: 113568 + 672 = 114240
Step 171: 114240 + 672 = 114912
Step 172: 114912 + 672 = 115584
Step 173: 115584 + 672 = 116256
Step 174: 116256 + 672 = 116928
Step 175: 116928 + 672 = 117600
Step 176: 117600 + 672 = 118272
Step 177: 118272 + 672 = 118944
Step 178: 118944 + 672 = 119616
Step 179: 119616 + 672 = 120288
Step 180: 120288 + 672 = 120960
Step 181: 120960 + 672 = 121632
Step 182: 121632 + 672 = 122304
Step 183: 122304 + 672 = 122976
Step 184: 122976 + 672 = 123648
Step 185: 123648 + 672 = 124320
Step 186: 124320 + 672 = 124992
Step 187: 124992 + 672 = 125664
Step 188: 125664 + 672 = 126336
Step 189: 126336 + 672 = 127008
Step 190: 127008 + 672 = 127680
Step 191: 127680 + 672 = 128352
Step 192: 128352 + 672 = 129024
Step 193: 129024 + 672 = 129696
Step 194: 129696 + 672 = 130368
Step 195: 130368 + 672 = 131040
Step 196: 131040 + 672 = 131712
Step 197: 131712 + 672 = 132384
Step 198: 132384 + 672 = 133056
Step 199: 133056 + 672 = 133728
Step 200: 133728 + 672 = 134400
Step 201: 134400 + 672 = 135072
Step 202: 135072 + 672 = 135744
Step 203: 135744 + 672 = 136416
Step 204: 136416 + 672 = 137088
Step 205: 137088 + 672 = 137760
Step 206: 137760 + 672 = 138432
Step 207: 138432 + 672 = 139104
Step 208: 139104 + 672 = 139776
Step 209: 139776 + 672 = 140448
Step 210: 140448 + 672 = 141120
Step 211: 141120 + 672 = 141792
Step 212: 141792 + 672 = 142464
Step 213: 142464 + 672 = 143136
Step 214: 143136 + 672 = 143808
Step 215: 143808 + 672 = 144480
Step 216: 144480 + 672 = 145152
Step 217: 145152 + 672 = 145824

So, 672*217 = 145824