Let's roll up our sleeves and solve this. We have 708 and we're going to multiply it by 304, essentially adding 708 to itself 304 times.
Step 1: 0 + 708 = 708
Step 2: 708 + 708 = 1416
Step 3: 1416 + 708 = 2124
Step 4: 2124 + 708 = 2832
Step 5: 2832 + 708 = 3540
Step 6: 3540 + 708 = 4248
Step 7: 4248 + 708 = 4956
Step 8: 4956 + 708 = 5664
Step 9: 5664 + 708 = 6372
Step 10: 6372 + 708 = 7080
Step 11: 7080 + 708 = 7788
Step 12: 7788 + 708 = 8496
Step 13: 8496 + 708 = 9204
Step 14: 9204 + 708 = 9912
Step 15: 9912 + 708 = 10620
Step 16: 10620 + 708 = 11328
Step 17: 11328 + 708 = 12036
Step 18: 12036 + 708 = 12744
Step 19: 12744 + 708 = 13452
Step 20: 13452 + 708 = 14160
Step 21: 14160 + 708 = 14868
Step 22: 14868 + 708 = 15576
Step 23: 15576 + 708 = 16284
Step 24: 16284 + 708 = 16992
Step 25: 16992 + 708 = 17700
Step 26: 17700 + 708 = 18408
Step 27: 18408 + 708 = 19116
Step 28: 19116 + 708 = 19824
Step 29: 19824 + 708 = 20532
Step 30: 20532 + 708 = 21240
Step 31: 21240 + 708 = 21948
Step 32: 21948 + 708 = 22656
Step 33: 22656 + 708 = 23364
Step 34: 23364 + 708 = 24072
Step 35: 24072 + 708 = 24780
Step 36: 24780 + 708 = 25488
Step 37: 25488 + 708 = 26196
Step 38: 26196 + 708 = 26904
Step 39: 26904 + 708 = 27612
Step 40: 27612 + 708 = 28320
Step 41: 28320 + 708 = 29028
Step 42: 29028 + 708 = 29736
Step 43: 29736 + 708 = 30444
Step 44: 30444 + 708 = 31152
Step 45: 31152 + 708 = 31860
Step 46: 31860 + 708 = 32568
Step 47: 32568 + 708 = 33276
Step 48: 33276 + 708 = 33984
Step 49: 33984 + 708 = 34692
Step 50: 34692 + 708 = 35400
Step 51: 35400 + 708 = 36108
Step 52: 36108 + 708 = 36816
Step 53: 36816 + 708 = 37524
Step 54: 37524 + 708 = 38232
Step 55: 38232 + 708 = 38940
Step 56: 38940 + 708 = 39648
Step 57: 39648 + 708 = 40356
Step 58: 40356 + 708 = 41064
Step 59: 41064 + 708 = 41772
Step 60: 41772 + 708 = 42480
Step 61: 42480 + 708 = 43188
Step 62: 43188 + 708 = 43896
Step 63: 43896 + 708 = 44604
Step 64: 44604 + 708 = 45312
Step 65: 45312 + 708 = 46020
Step 66: 46020 + 708 = 46728
Step 67: 46728 + 708 = 47436
Step 68: 47436 + 708 = 48144
Step 69: 48144 + 708 = 48852
Step 70: 48852 + 708 = 49560
Step 71: 49560 + 708 = 50268
Step 72: 50268 + 708 = 50976
Step 73: 50976 + 708 = 51684
Step 74: 51684 + 708 = 52392
Step 75: 52392 + 708 = 53100
Step 76: 53100 + 708 = 53808
Step 77: 53808 + 708 = 54516
Step 78: 54516 + 708 = 55224
Step 79: 55224 + 708 = 55932
Step 80: 55932 + 708 = 56640
Step 81: 56640 + 708 = 57348
Step 82: 57348 + 708 = 58056
Step 83: 58056 + 708 = 58764
Step 84: 58764 + 708 = 59472
Step 85: 59472 + 708 = 60180
Step 86: 60180 + 708 = 60888
Step 87: 60888 + 708 = 61596
Step 88: 61596 + 708 = 62304
Step 89: 62304 + 708 = 63012
Step 90: 63012 + 708 = 63720
Step 91: 63720 + 708 = 64428
Step 92: 64428 + 708 = 65136
Step 93: 65136 + 708 = 65844
Step 94: 65844 + 708 = 66552
Step 95: 66552 + 708 = 67260
Step 96: 67260 + 708 = 67968
Step 97: 67968 + 708 = 68676
Step 98: 68676 + 708 = 69384
Step 99: 69384 + 708 = 70092
Step 100: 70092 + 708 = 70800
Step 101: 70800 + 708 = 71508
Step 102: 71508 + 708 = 72216
Step 103: 72216 + 708 = 72924
Step 104: 72924 + 708 = 73632
Step 105: 73632 + 708 = 74340
Step 106: 74340 + 708 = 75048
Step 107: 75048 + 708 = 75756
Step 108: 75756 + 708 = 76464
Step 109: 76464 + 708 = 77172
Step 110: 77172 + 708 = 77880
Step 111: 77880 + 708 = 78588
Step 112: 78588 + 708 = 79296
Step 113: 79296 + 708 = 80004
Step 114: 80004 + 708 = 80712
Step 115: 80712 + 708 = 81420
Step 116: 81420 + 708 = 82128
Step 117: 82128 + 708 = 82836
Step 118: 82836 + 708 = 83544
Step 119: 83544 + 708 = 84252
Step 120: 84252 + 708 = 84960
Step 121: 84960 + 708 = 85668
Step 122: 85668 + 708 = 86376
Step 123: 86376 + 708 = 87084
Step 124: 87084 + 708 = 87792
Step 125: 87792 + 708 = 88500
Step 126: 88500 + 708 = 89208
Step 127: 89208 + 708 = 89916
Step 128: 89916 + 708 = 90624
Step 129: 90624 + 708 = 91332
Step 130: 91332 + 708 = 92040
Step 131: 92040 + 708 = 92748
Step 132: 92748 + 708 = 93456
Step 133: 93456 + 708 = 94164
Step 134: 94164 + 708 = 94872
Step 135: 94872 + 708 = 95580
Step 136: 95580 + 708 = 96288
Step 137: 96288 + 708 = 96996
Step 138: 96996 + 708 = 97704
Step 139: 97704 + 708 = 98412
Step 140: 98412 + 708 = 99120
Step 141: 99120 + 708 = 99828
Step 142: 99828 + 708 = 100536
Step 143: 100536 + 708 = 101244
Step 144: 101244 + 708 = 101952
Step 145: 101952 + 708 = 102660
Step 146: 102660 + 708 = 103368
Step 147: 103368 + 708 = 104076
Step 148: 104076 + 708 = 104784
Step 149: 104784 + 708 = 105492
Step 150: 105492 + 708 = 106200
Step 151: 106200 + 708 = 106908
Step 152: 106908 + 708 = 107616
Step 153: 107616 + 708 = 108324
Step 154: 108324 + 708 = 109032
Step 155: 109032 + 708 = 109740
Step 156: 109740 + 708 = 110448
Step 157: 110448 + 708 = 111156
Step 158: 111156 + 708 = 111864
Step 159: 111864 + 708 = 112572
Step 160: 112572 + 708 = 113280
Step 161: 113280 + 708 = 113988
Step 162: 113988 + 708 = 114696
Step 163: 114696 + 708 = 115404
Step 164: 115404 + 708 = 116112
Step 165: 116112 + 708 = 116820
Step 166: 116820 + 708 = 117528
Step 167: 117528 + 708 = 118236
Step 168: 118236 + 708 = 118944
Step 169: 118944 + 708 = 119652
Step 170: 119652 + 708 = 120360
Step 171: 120360 + 708 = 121068
Step 172: 121068 + 708 = 121776
Step 173: 121776 + 708 = 122484
Step 174: 122484 + 708 = 123192
Step 175: 123192 + 708 = 123900
Step 176: 123900 + 708 = 124608
Step 177: 124608 + 708 = 125316
Step 178: 125316 + 708 = 126024
Step 179: 126024 + 708 = 126732
Step 180: 126732 + 708 = 127440
Step 181: 127440 + 708 = 128148
Step 182: 128148 + 708 = 128856
Step 183: 128856 + 708 = 129564
Step 184: 129564 + 708 = 130272
Step 185: 130272 + 708 = 130980
Step 186: 130980 + 708 = 131688
Step 187: 131688 + 708 = 132396
Step 188: 132396 + 708 = 133104
Step 189: 133104 + 708 = 133812
Step 190: 133812 + 708 = 134520
Step 191: 134520 + 708 = 135228
Step 192: 135228 + 708 = 135936
Step 193: 135936 + 708 = 136644
Step 194: 136644 + 708 = 137352
Step 195: 137352 + 708 = 138060
Step 196: 138060 + 708 = 138768
Step 197: 138768 + 708 = 139476
Step 198: 139476 + 708 = 140184
Step 199: 140184 + 708 = 140892
Step 200: 140892 + 708 = 141600
Step 201: 141600 + 708 = 142308
Step 202: 142308 + 708 = 143016
Step 203: 143016 + 708 = 143724
Step 204: 143724 + 708 = 144432
Step 205: 144432 + 708 = 145140
Step 206: 145140 + 708 = 145848
Step 207: 145848 + 708 = 146556
Step 208: 146556 + 708 = 147264
Step 209: 147264 + 708 = 147972
Step 210: 147972 + 708 = 148680
Step 211: 148680 + 708 = 149388
Step 212: 149388 + 708 = 150096
Step 213: 150096 + 708 = 150804
Step 214: 150804 + 708 = 151512
Step 215: 151512 + 708 = 152220
Step 216: 152220 + 708 = 152928
Step 217: 152928 + 708 = 153636
Step 218: 153636 + 708 = 154344
Step 219: 154344 + 708 = 155052
Step 220: 155052 + 708 = 155760
Step 221: 155760 + 708 = 156468
Step 222: 156468 + 708 = 157176
Step 223: 157176 + 708 = 157884
Step 224: 157884 + 708 = 158592
Step 225: 158592 + 708 = 159300
Step 226: 159300 + 708 = 160008
Step 227: 160008 + 708 = 160716
Step 228: 160716 + 708 = 161424
Step 229: 161424 + 708 = 162132
Step 230: 162132 + 708 = 162840
Step 231: 162840 + 708 = 163548
Step 232: 163548 + 708 = 164256
Step 233: 164256 + 708 = 164964
Step 234: 164964 + 708 = 165672
Step 235: 165672 + 708 = 166380
Step 236: 166380 + 708 = 167088
Step 237: 167088 + 708 = 167796
Step 238: 167796 + 708 = 168504
Step 239: 168504 + 708 = 169212
Step 240: 169212 + 708 = 169920
Step 241: 169920 + 708 = 170628
Step 242: 170628 + 708 = 171336
Step 243: 171336 + 708 = 172044
Step 244: 172044 + 708 = 172752
Step 245: 172752 + 708 = 173460
Step 246: 173460 + 708 = 174168
Step 247: 174168 + 708 = 174876
Step 248: 174876 + 708 = 175584
Step 249: 175584 + 708 = 176292
Step 250: 176292 + 708 = 177000
Step 251: 177000 + 708 = 177708
Step 252: 177708 + 708 = 178416
Step 253: 178416 + 708 = 179124
Step 254: 179124 + 708 = 179832
Step 255: 179832 + 708 = 180540
Step 256: 180540 + 708 = 181248
Step 257: 181248 + 708 = 181956
Step 258: 181956 + 708 = 182664
Step 259: 182664 + 708 = 183372
Step 260: 183372 + 708 = 184080
Step 261: 184080 + 708 = 184788
Step 262: 184788 + 708 = 185496
Step 263: 185496 + 708 = 186204
Step 264: 186204 + 708 = 186912
Step 265: 186912 + 708 = 187620
Step 266: 187620 + 708 = 188328
Step 267: 188328 + 708 = 189036
Step 268: 189036 + 708 = 189744
Step 269: 189744 + 708 = 190452
Step 270: 190452 + 708 = 191160
Step 271: 191160 + 708 = 191868
Step 272: 191868 + 708 = 192576
Step 273: 192576 + 708 = 193284
Step 274: 193284 + 708 = 193992
Step 275: 193992 + 708 = 194700
Step 276: 194700 + 708 = 195408
Step 277: 195408 + 708 = 196116
Step 278: 196116 + 708 = 196824
Step 279: 196824 + 708 = 197532
Step 280: 197532 + 708 = 198240
Step 281: 198240 + 708 = 198948
Step 282: 198948 + 708 = 199656
Step 283: 199656 + 708 = 200364
Step 284: 200364 + 708 = 201072
Step 285: 201072 + 708 = 201780
Step 286: 201780 + 708 = 202488
Step 287: 202488 + 708 = 203196
Step 288: 203196 + 708 = 203904
Step 289: 203904 + 708 = 204612
Step 290: 204612 + 708 = 205320
Step 291: 205320 + 708 = 206028
Step 292: 206028 + 708 = 206736
Step 293: 206736 + 708 = 207444
Step 294: 207444 + 708 = 208152
Step 295: 208152 + 708 = 208860
Step 296: 208860 + 708 = 209568
Step 297: 209568 + 708 = 210276
Step 298: 210276 + 708 = 210984
Step 299: 210984 + 708 = 211692
Step 300: 211692 + 708 = 212400
Step 301: 212400 + 708 = 213108
Step 302: 213108 + 708 = 213816
Step 303: 213816 + 708 = 214524
Step 304: 214524 + 708 = 215232

So, 708*304 = 215232