Alright, let's solve this math problem step by step. First, we have the number 709. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 390. So, we're going to take the number 709 and add it to itself 390 times.
Step 1: 0 + 709 = 709
Step 2: 709 + 709 = 1418
Step 3: 1418 + 709 = 2127
Step 4: 2127 + 709 = 2836
Step 5: 2836 + 709 = 3545
Step 6: 3545 + 709 = 4254
Step 7: 4254 + 709 = 4963
Step 8: 4963 + 709 = 5672
Step 9: 5672 + 709 = 6381
Step 10: 6381 + 709 = 7090
Step 11: 7090 + 709 = 7799
Step 12: 7799 + 709 = 8508
Step 13: 8508 + 709 = 9217
Step 14: 9217 + 709 = 9926
Step 15: 9926 + 709 = 10635
Step 16: 10635 + 709 = 11344
Step 17: 11344 + 709 = 12053
Step 18: 12053 + 709 = 12762
Step 19: 12762 + 709 = 13471
Step 20: 13471 + 709 = 14180
Step 21: 14180 + 709 = 14889
Step 22: 14889 + 709 = 15598
Step 23: 15598 + 709 = 16307
Step 24: 16307 + 709 = 17016
Step 25: 17016 + 709 = 17725
Step 26: 17725 + 709 = 18434
Step 27: 18434 + 709 = 19143
Step 28: 19143 + 709 = 19852
Step 29: 19852 + 709 = 20561
Step 30: 20561 + 709 = 21270
Step 31: 21270 + 709 = 21979
Step 32: 21979 + 709 = 22688
Step 33: 22688 + 709 = 23397
Step 34: 23397 + 709 = 24106
Step 35: 24106 + 709 = 24815
Step 36: 24815 + 709 = 25524
Step 37: 25524 + 709 = 26233
Step 38: 26233 + 709 = 26942
Step 39: 26942 + 709 = 27651
Step 40: 27651 + 709 = 28360
Step 41: 28360 + 709 = 29069
Step 42: 29069 + 709 = 29778
Step 43: 29778 + 709 = 30487
Step 44: 30487 + 709 = 31196
Step 45: 31196 + 709 = 31905
Step 46: 31905 + 709 = 32614
Step 47: 32614 + 709 = 33323
Step 48: 33323 + 709 = 34032
Step 49: 34032 + 709 = 34741
Step 50: 34741 + 709 = 35450
Step 51: 35450 + 709 = 36159
Step 52: 36159 + 709 = 36868
Step 53: 36868 + 709 = 37577
Step 54: 37577 + 709 = 38286
Step 55: 38286 + 709 = 38995
Step 56: 38995 + 709 = 39704
Step 57: 39704 + 709 = 40413
Step 58: 40413 + 709 = 41122
Step 59: 41122 + 709 = 41831
Step 60: 41831 + 709 = 42540
Step 61: 42540 + 709 = 43249
Step 62: 43249 + 709 = 43958
Step 63: 43958 + 709 = 44667
Step 64: 44667 + 709 = 45376
Step 65: 45376 + 709 = 46085
Step 66: 46085 + 709 = 46794
Step 67: 46794 + 709 = 47503
Step 68: 47503 + 709 = 48212
Step 69: 48212 + 709 = 48921
Step 70: 48921 + 709 = 49630
Step 71: 49630 + 709 = 50339
Step 72: 50339 + 709 = 51048
Step 73: 51048 + 709 = 51757
Step 74: 51757 + 709 = 52466
Step 75: 52466 + 709 = 53175
Step 76: 53175 + 709 = 53884
Step 77: 53884 + 709 = 54593
Step 78: 54593 + 709 = 55302
Step 79: 55302 + 709 = 56011
Step 80: 56011 + 709 = 56720
Step 81: 56720 + 709 = 57429
Step 82: 57429 + 709 = 58138
Step 83: 58138 + 709 = 58847
Step 84: 58847 + 709 = 59556
Step 85: 59556 + 709 = 60265
Step 86: 60265 + 709 = 60974
Step 87: 60974 + 709 = 61683
Step 88: 61683 + 709 = 62392
Step 89: 62392 + 709 = 63101
Step 90: 63101 + 709 = 63810
Step 91: 63810 + 709 = 64519
Step 92: 64519 + 709 = 65228
Step 93: 65228 + 709 = 65937
Step 94: 65937 + 709 = 66646
Step 95: 66646 + 709 = 67355
Step 96: 67355 + 709 = 68064
Step 97: 68064 + 709 = 68773
Step 98: 68773 + 709 = 69482
Step 99: 69482 + 709 = 70191
Step 100: 70191 + 709 = 70900
Step 101: 70900 + 709 = 71609
Step 102: 71609 + 709 = 72318
Step 103: 72318 + 709 = 73027
Step 104: 73027 + 709 = 73736
Step 105: 73736 + 709 = 74445
Step 106: 74445 + 709 = 75154
Step 107: 75154 + 709 = 75863
Step 108: 75863 + 709 = 76572
Step 109: 76572 + 709 = 77281
Step 110: 77281 + 709 = 77990
Step 111: 77990 + 709 = 78699
Step 112: 78699 + 709 = 79408
Step 113: 79408 + 709 = 80117
Step 114: 80117 + 709 = 80826
Step 115: 80826 + 709 = 81535
Step 116: 81535 + 709 = 82244
Step 117: 82244 + 709 = 82953
Step 118: 82953 + 709 = 83662
Step 119: 83662 + 709 = 84371
Step 120: 84371 + 709 = 85080
Step 121: 85080 + 709 = 85789
Step 122: 85789 + 709 = 86498
Step 123: 86498 + 709 = 87207
Step 124: 87207 + 709 = 87916
Step 125: 87916 + 709 = 88625
Step 126: 88625 + 709 = 89334
Step 127: 89334 + 709 = 90043
Step 128: 90043 + 709 = 90752
Step 129: 90752 + 709 = 91461
Step 130: 91461 + 709 = 92170
Step 131: 92170 + 709 = 92879
Step 132: 92879 + 709 = 93588
Step 133: 93588 + 709 = 94297
Step 134: 94297 + 709 = 95006
Step 135: 95006 + 709 = 95715
Step 136: 95715 + 709 = 96424
Step 137: 96424 + 709 = 97133
Step 138: 97133 + 709 = 97842
Step 139: 97842 + 709 = 98551
Step 140: 98551 + 709 = 99260
Step 141: 99260 + 709 = 99969
Step 142: 99969 + 709 = 100678
Step 143: 100678 + 709 = 101387
Step 144: 101387 + 709 = 102096
Step 145: 102096 + 709 = 102805
Step 146: 102805 + 709 = 103514
Step 147: 103514 + 709 = 104223
Step 148: 104223 + 709 = 104932
Step 149: 104932 + 709 = 105641
Step 150: 105641 + 709 = 106350
Step 151: 106350 + 709 = 107059
Step 152: 107059 + 709 = 107768
Step 153: 107768 + 709 = 108477
Step 154: 108477 + 709 = 109186
Step 155: 109186 + 709 = 109895
Step 156: 109895 + 709 = 110604
Step 157: 110604 + 709 = 111313
Step 158: 111313 + 709 = 112022
Step 159: 112022 + 709 = 112731
Step 160: 112731 + 709 = 113440
Step 161: 113440 + 709 = 114149
Step 162: 114149 + 709 = 114858
Step 163: 114858 + 709 = 115567
Step 164: 115567 + 709 = 116276
Step 165: 116276 + 709 = 116985
Step 166: 116985 + 709 = 117694
Step 167: 117694 + 709 = 118403
Step 168: 118403 + 709 = 119112
Step 169: 119112 + 709 = 119821
Step 170: 119821 + 709 = 120530
Step 171: 120530 + 709 = 121239
Step 172: 121239 + 709 = 121948
Step 173: 121948 + 709 = 122657
Step 174: 122657 + 709 = 123366
Step 175: 123366 + 709 = 124075
Step 176: 124075 + 709 = 124784
Step 177: 124784 + 709 = 125493
Step 178: 125493 + 709 = 126202
Step 179: 126202 + 709 = 126911
Step 180: 126911 + 709 = 127620
Step 181: 127620 + 709 = 128329
Step 182: 128329 + 709 = 129038
Step 183: 129038 + 709 = 129747
Step 184: 129747 + 709 = 130456
Step 185: 130456 + 709 = 131165
Step 186: 131165 + 709 = 131874
Step 187: 131874 + 709 = 132583
Step 188: 132583 + 709 = 133292
Step 189: 133292 + 709 = 134001
Step 190: 134001 + 709 = 134710
Step 191: 134710 + 709 = 135419
Step 192: 135419 + 709 = 136128
Step 193: 136128 + 709 = 136837
Step 194: 136837 + 709 = 137546
Step 195: 137546 + 709 = 138255
Step 196: 138255 + 709 = 138964
Step 197: 138964 + 709 = 139673
Step 198: 139673 + 709 = 140382
Step 199: 140382 + 709 = 141091
Step 200: 141091 + 709 = 141800
Step 201: 141800 + 709 = 142509
Step 202: 142509 + 709 = 143218
Step 203: 143218 + 709 = 143927
Step 204: 143927 + 709 = 144636
Step 205: 144636 + 709 = 145345
Step 206: 145345 + 709 = 146054
Step 207: 146054 + 709 = 146763
Step 208: 146763 + 709 = 147472
Step 209: 147472 + 709 = 148181
Step 210: 148181 + 709 = 148890
Step 211: 148890 + 709 = 149599
Step 212: 149599 + 709 = 150308
Step 213: 150308 + 709 = 151017
Step 214: 151017 + 709 = 151726
Step 215: 151726 + 709 = 152435
Step 216: 152435 + 709 = 153144
Step 217: 153144 + 709 = 153853
Step 218: 153853 + 709 = 154562
Step 219: 154562 + 709 = 155271
Step 220: 155271 + 709 = 155980
Step 221: 155980 + 709 = 156689
Step 222: 156689 + 709 = 157398
Step 223: 157398 + 709 = 158107
Step 224: 158107 + 709 = 158816
Step 225: 158816 + 709 = 159525
Step 226: 159525 + 709 = 160234
Step 227: 160234 + 709 = 160943
Step 228: 160943 + 709 = 161652
Step 229: 161652 + 709 = 162361
Step 230: 162361 + 709 = 163070
Step 231: 163070 + 709 = 163779
Step 232: 163779 + 709 = 164488
Step 233: 164488 + 709 = 165197
Step 234: 165197 + 709 = 165906
Step 235: 165906 + 709 = 166615
Step 236: 166615 + 709 = 167324
Step 237: 167324 + 709 = 168033
Step 238: 168033 + 709 = 168742
Step 239: 168742 + 709 = 169451
Step 240: 169451 + 709 = 170160
Step 241: 170160 + 709 = 170869
Step 242: 170869 + 709 = 171578
Step 243: 171578 + 709 = 172287
Step 244: 172287 + 709 = 172996
Step 245: 172996 + 709 = 173705
Step 246: 173705 + 709 = 174414
Step 247: 174414 + 709 = 175123
Step 248: 175123 + 709 = 175832
Step 249: 175832 + 709 = 176541
Step 250: 176541 + 709 = 177250
Step 251: 177250 + 709 = 177959
Step 252: 177959 + 709 = 178668
Step 253: 178668 + 709 = 179377
Step 254: 179377 + 709 = 180086
Step 255: 180086 + 709 = 180795
Step 256: 180795 + 709 = 181504
Step 257: 181504 + 709 = 182213
Step 258: 182213 + 709 = 182922
Step 259: 182922 + 709 = 183631
Step 260: 183631 + 709 = 184340
Step 261: 184340 + 709 = 185049
Step 262: 185049 + 709 = 185758
Step 263: 185758 + 709 = 186467
Step 264: 186467 + 709 = 187176
Step 265: 187176 + 709 = 187885
Step 266: 187885 + 709 = 188594
Step 267: 188594 + 709 = 189303
Step 268: 189303 + 709 = 190012
Step 269: 190012 + 709 = 190721
Step 270: 190721 + 709 = 191430
Step 271: 191430 + 709 = 192139
Step 272: 192139 + 709 = 192848
Step 273: 192848 + 709 = 193557
Step 274: 193557 + 709 = 194266
Step 275: 194266 + 709 = 194975
Step 276: 194975 + 709 = 195684
Step 277: 195684 + 709 = 196393
Step 278: 196393 + 709 = 197102
Step 279: 197102 + 709 = 197811
Step 280: 197811 + 709 = 198520
Step 281: 198520 + 709 = 199229
Step 282: 199229 + 709 = 199938
Step 283: 199938 + 709 = 200647
Step 284: 200647 + 709 = 201356
Step 285: 201356 + 709 = 202065
Step 286: 202065 + 709 = 202774
Step 287: 202774 + 709 = 203483
Step 288: 203483 + 709 = 204192
Step 289: 204192 + 709 = 204901
Step 290: 204901 + 709 = 205610
Step 291: 205610 + 709 = 206319
Step 292: 206319 + 709 = 207028
Step 293: 207028 + 709 = 207737
Step 294: 207737 + 709 = 208446
Step 295: 208446 + 709 = 209155
Step 296: 209155 + 709 = 209864
Step 297: 209864 + 709 = 210573
Step 298: 210573 + 709 = 211282
Step 299: 211282 + 709 = 211991
Step 300: 211991 + 709 = 212700
Step 301: 212700 + 709 = 213409
Step 302: 213409 + 709 = 214118
Step 303: 214118 + 709 = 214827
Step 304: 214827 + 709 = 215536
Step 305: 215536 + 709 = 216245
Step 306: 216245 + 709 = 216954
Step 307: 216954 + 709 = 217663
Step 308: 217663 + 709 = 218372
Step 309: 218372 + 709 = 219081
Step 310: 219081 + 709 = 219790
Step 311: 219790 + 709 = 220499
Step 312: 220499 + 709 = 221208
Step 313: 221208 + 709 = 221917
Step 314: 221917 + 709 = 222626
Step 315: 222626 + 709 = 223335
Step 316: 223335 + 709 = 224044
Step 317: 224044 + 709 = 224753
Step 318: 224753 + 709 = 225462
Step 319: 225462 + 709 = 226171
Step 320: 226171 + 709 = 226880
Step 321: 226880 + 709 = 227589
Step 322: 227589 + 709 = 228298
Step 323: 228298 + 709 = 229007
Step 324: 229007 + 709 = 229716
Step 325: 229716 + 709 = 230425
Step 326: 230425 + 709 = 231134
Step 327: 231134 + 709 = 231843
Step 328: 231843 + 709 = 232552
Step 329: 232552 + 709 = 233261
Step 330: 233261 + 709 = 233970
Step 331: 233970 + 709 = 234679
Step 332: 234679 + 709 = 235388
Step 333: 235388 + 709 = 236097
Step 334: 236097 + 709 = 236806
Step 335: 236806 + 709 = 237515
Step 336: 237515 + 709 = 238224
Step 337: 238224 + 709 = 238933
Step 338: 238933 + 709 = 239642
Step 339: 239642 + 709 = 240351
Step 340: 240351 + 709 = 241060
Step 341: 241060 + 709 = 241769
Step 342: 241769 + 709 = 242478
Step 343: 242478 + 709 = 243187
Step 344: 243187 + 709 = 243896
Step 345: 243896 + 709 = 244605
Step 346: 244605 + 709 = 245314
Step 347: 245314 + 709 = 246023
Step 348: 246023 + 709 = 246732
Step 349: 246732 + 709 = 247441
Step 350: 247441 + 709 = 248150
Step 351: 248150 + 709 = 248859
Step 352: 248859 + 709 = 249568
Step 353: 249568 + 709 = 250277
Step 354: 250277 + 709 = 250986
Step 355: 250986 + 709 = 251695
Step 356: 251695 + 709 = 252404
Step 357: 252404 + 709 = 253113
Step 358: 253113 + 709 = 253822
Step 359: 253822 + 709 = 254531
Step 360: 254531 + 709 = 255240
Step 361: 255240 + 709 = 255949
Step 362: 255949 + 709 = 256658
Step 363: 256658 + 709 = 257367
Step 364: 257367 + 709 = 258076
Step 365: 258076 + 709 = 258785
Step 366: 258785 + 709 = 259494
Step 367: 259494 + 709 = 260203
Step 368: 260203 + 709 = 260912
Step 369: 260912 + 709 = 261621
Step 370: 261621 + 709 = 262330
Step 371: 262330 + 709 = 263039
Step 372: 263039 + 709 = 263748
Step 373: 263748 + 709 = 264457
Step 374: 264457 + 709 = 265166
Step 375: 265166 + 709 = 265875
Step 376: 265875 + 709 = 266584
Step 377: 266584 + 709 = 267293
Step 378: 267293 + 709 = 268002
Step 379: 268002 + 709 = 268711
Step 380: 268711 + 709 = 269420
Step 381: 269420 + 709 = 270129
Step 382: 270129 + 709 = 270838
Step 383: 270838 + 709 = 271547
Step 384: 271547 + 709 = 272256
Step 385: 272256 + 709 = 272965
Step 386: 272965 + 709 = 273674
Step 387: 273674 + 709 = 274383
Step 388: 274383 + 709 = 275092
Step 389: 275092 + 709 = 275801
Step 390: 275801 + 709 = 276510

So, 709*390 = 276510