Alright, let's solve this math problem step by step. First, we have the number 715. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 355. So, we're going to take the number 715 and add it to itself 355 times.
Step 1: 0 + 715 = 715
Step 2: 715 + 715 = 1430
Step 3: 1430 + 715 = 2145
Step 4: 2145 + 715 = 2860
Step 5: 2860 + 715 = 3575
Step 6: 3575 + 715 = 4290
Step 7: 4290 + 715 = 5005
Step 8: 5005 + 715 = 5720
Step 9: 5720 + 715 = 6435
Step 10: 6435 + 715 = 7150
Step 11: 7150 + 715 = 7865
Step 12: 7865 + 715 = 8580
Step 13: 8580 + 715 = 9295
Step 14: 9295 + 715 = 10010
Step 15: 10010 + 715 = 10725
Step 16: 10725 + 715 = 11440
Step 17: 11440 + 715 = 12155
Step 18: 12155 + 715 = 12870
Step 19: 12870 + 715 = 13585
Step 20: 13585 + 715 = 14300
Step 21: 14300 + 715 = 15015
Step 22: 15015 + 715 = 15730
Step 23: 15730 + 715 = 16445
Step 24: 16445 + 715 = 17160
Step 25: 17160 + 715 = 17875
Step 26: 17875 + 715 = 18590
Step 27: 18590 + 715 = 19305
Step 28: 19305 + 715 = 20020
Step 29: 20020 + 715 = 20735
Step 30: 20735 + 715 = 21450
Step 31: 21450 + 715 = 22165
Step 32: 22165 + 715 = 22880
Step 33: 22880 + 715 = 23595
Step 34: 23595 + 715 = 24310
Step 35: 24310 + 715 = 25025
Step 36: 25025 + 715 = 25740
Step 37: 25740 + 715 = 26455
Step 38: 26455 + 715 = 27170
Step 39: 27170 + 715 = 27885
Step 40: 27885 + 715 = 28600
Step 41: 28600 + 715 = 29315
Step 42: 29315 + 715 = 30030
Step 43: 30030 + 715 = 30745
Step 44: 30745 + 715 = 31460
Step 45: 31460 + 715 = 32175
Step 46: 32175 + 715 = 32890
Step 47: 32890 + 715 = 33605
Step 48: 33605 + 715 = 34320
Step 49: 34320 + 715 = 35035
Step 50: 35035 + 715 = 35750
Step 51: 35750 + 715 = 36465
Step 52: 36465 + 715 = 37180
Step 53: 37180 + 715 = 37895
Step 54: 37895 + 715 = 38610
Step 55: 38610 + 715 = 39325
Step 56: 39325 + 715 = 40040
Step 57: 40040 + 715 = 40755
Step 58: 40755 + 715 = 41470
Step 59: 41470 + 715 = 42185
Step 60: 42185 + 715 = 42900
Step 61: 42900 + 715 = 43615
Step 62: 43615 + 715 = 44330
Step 63: 44330 + 715 = 45045
Step 64: 45045 + 715 = 45760
Step 65: 45760 + 715 = 46475
Step 66: 46475 + 715 = 47190
Step 67: 47190 + 715 = 47905
Step 68: 47905 + 715 = 48620
Step 69: 48620 + 715 = 49335
Step 70: 49335 + 715 = 50050
Step 71: 50050 + 715 = 50765
Step 72: 50765 + 715 = 51480
Step 73: 51480 + 715 = 52195
Step 74: 52195 + 715 = 52910
Step 75: 52910 + 715 = 53625
Step 76: 53625 + 715 = 54340
Step 77: 54340 + 715 = 55055
Step 78: 55055 + 715 = 55770
Step 79: 55770 + 715 = 56485
Step 80: 56485 + 715 = 57200
Step 81: 57200 + 715 = 57915
Step 82: 57915 + 715 = 58630
Step 83: 58630 + 715 = 59345
Step 84: 59345 + 715 = 60060
Step 85: 60060 + 715 = 60775
Step 86: 60775 + 715 = 61490
Step 87: 61490 + 715 = 62205
Step 88: 62205 + 715 = 62920
Step 89: 62920 + 715 = 63635
Step 90: 63635 + 715 = 64350
Step 91: 64350 + 715 = 65065
Step 92: 65065 + 715 = 65780
Step 93: 65780 + 715 = 66495
Step 94: 66495 + 715 = 67210
Step 95: 67210 + 715 = 67925
Step 96: 67925 + 715 = 68640
Step 97: 68640 + 715 = 69355
Step 98: 69355 + 715 = 70070
Step 99: 70070 + 715 = 70785
Step 100: 70785 + 715 = 71500
Step 101: 71500 + 715 = 72215
Step 102: 72215 + 715 = 72930
Step 103: 72930 + 715 = 73645
Step 104: 73645 + 715 = 74360
Step 105: 74360 + 715 = 75075
Step 106: 75075 + 715 = 75790
Step 107: 75790 + 715 = 76505
Step 108: 76505 + 715 = 77220
Step 109: 77220 + 715 = 77935
Step 110: 77935 + 715 = 78650
Step 111: 78650 + 715 = 79365
Step 112: 79365 + 715 = 80080
Step 113: 80080 + 715 = 80795
Step 114: 80795 + 715 = 81510
Step 115: 81510 + 715 = 82225
Step 116: 82225 + 715 = 82940
Step 117: 82940 + 715 = 83655
Step 118: 83655 + 715 = 84370
Step 119: 84370 + 715 = 85085
Step 120: 85085 + 715 = 85800
Step 121: 85800 + 715 = 86515
Step 122: 86515 + 715 = 87230
Step 123: 87230 + 715 = 87945
Step 124: 87945 + 715 = 88660
Step 125: 88660 + 715 = 89375
Step 126: 89375 + 715 = 90090
Step 127: 90090 + 715 = 90805
Step 128: 90805 + 715 = 91520
Step 129: 91520 + 715 = 92235
Step 130: 92235 + 715 = 92950
Step 131: 92950 + 715 = 93665
Step 132: 93665 + 715 = 94380
Step 133: 94380 + 715 = 95095
Step 134: 95095 + 715 = 95810
Step 135: 95810 + 715 = 96525
Step 136: 96525 + 715 = 97240
Step 137: 97240 + 715 = 97955
Step 138: 97955 + 715 = 98670
Step 139: 98670 + 715 = 99385
Step 140: 99385 + 715 = 100100
Step 141: 100100 + 715 = 100815
Step 142: 100815 + 715 = 101530
Step 143: 101530 + 715 = 102245
Step 144: 102245 + 715 = 102960
Step 145: 102960 + 715 = 103675
Step 146: 103675 + 715 = 104390
Step 147: 104390 + 715 = 105105
Step 148: 105105 + 715 = 105820
Step 149: 105820 + 715 = 106535
Step 150: 106535 + 715 = 107250
Step 151: 107250 + 715 = 107965
Step 152: 107965 + 715 = 108680
Step 153: 108680 + 715 = 109395
Step 154: 109395 + 715 = 110110
Step 155: 110110 + 715 = 110825
Step 156: 110825 + 715 = 111540
Step 157: 111540 + 715 = 112255
Step 158: 112255 + 715 = 112970
Step 159: 112970 + 715 = 113685
Step 160: 113685 + 715 = 114400
Step 161: 114400 + 715 = 115115
Step 162: 115115 + 715 = 115830
Step 163: 115830 + 715 = 116545
Step 164: 116545 + 715 = 117260
Step 165: 117260 + 715 = 117975
Step 166: 117975 + 715 = 118690
Step 167: 118690 + 715 = 119405
Step 168: 119405 + 715 = 120120
Step 169: 120120 + 715 = 120835
Step 170: 120835 + 715 = 121550
Step 171: 121550 + 715 = 122265
Step 172: 122265 + 715 = 122980
Step 173: 122980 + 715 = 123695
Step 174: 123695 + 715 = 124410
Step 175: 124410 + 715 = 125125
Step 176: 125125 + 715 = 125840
Step 177: 125840 + 715 = 126555
Step 178: 126555 + 715 = 127270
Step 179: 127270 + 715 = 127985
Step 180: 127985 + 715 = 128700
Step 181: 128700 + 715 = 129415
Step 182: 129415 + 715 = 130130
Step 183: 130130 + 715 = 130845
Step 184: 130845 + 715 = 131560
Step 185: 131560 + 715 = 132275
Step 186: 132275 + 715 = 132990
Step 187: 132990 + 715 = 133705
Step 188: 133705 + 715 = 134420
Step 189: 134420 + 715 = 135135
Step 190: 135135 + 715 = 135850
Step 191: 135850 + 715 = 136565
Step 192: 136565 + 715 = 137280
Step 193: 137280 + 715 = 137995
Step 194: 137995 + 715 = 138710
Step 195: 138710 + 715 = 139425
Step 196: 139425 + 715 = 140140
Step 197: 140140 + 715 = 140855
Step 198: 140855 + 715 = 141570
Step 199: 141570 + 715 = 142285
Step 200: 142285 + 715 = 143000
Step 201: 143000 + 715 = 143715
Step 202: 143715 + 715 = 144430
Step 203: 144430 + 715 = 145145
Step 204: 145145 + 715 = 145860
Step 205: 145860 + 715 = 146575
Step 206: 146575 + 715 = 147290
Step 207: 147290 + 715 = 148005
Step 208: 148005 + 715 = 148720
Step 209: 148720 + 715 = 149435
Step 210: 149435 + 715 = 150150
Step 211: 150150 + 715 = 150865
Step 212: 150865 + 715 = 151580
Step 213: 151580 + 715 = 152295
Step 214: 152295 + 715 = 153010
Step 215: 153010 + 715 = 153725
Step 216: 153725 + 715 = 154440
Step 217: 154440 + 715 = 155155
Step 218: 155155 + 715 = 155870
Step 219: 155870 + 715 = 156585
Step 220: 156585 + 715 = 157300
Step 221: 157300 + 715 = 158015
Step 222: 158015 + 715 = 158730
Step 223: 158730 + 715 = 159445
Step 224: 159445 + 715 = 160160
Step 225: 160160 + 715 = 160875
Step 226: 160875 + 715 = 161590
Step 227: 161590 + 715 = 162305
Step 228: 162305 + 715 = 163020
Step 229: 163020 + 715 = 163735
Step 230: 163735 + 715 = 164450
Step 231: 164450 + 715 = 165165
Step 232: 165165 + 715 = 165880
Step 233: 165880 + 715 = 166595
Step 234: 166595 + 715 = 167310
Step 235: 167310 + 715 = 168025
Step 236: 168025 + 715 = 168740
Step 237: 168740 + 715 = 169455
Step 238: 169455 + 715 = 170170
Step 239: 170170 + 715 = 170885
Step 240: 170885 + 715 = 171600
Step 241: 171600 + 715 = 172315
Step 242: 172315 + 715 = 173030
Step 243: 173030 + 715 = 173745
Step 244: 173745 + 715 = 174460
Step 245: 174460 + 715 = 175175
Step 246: 175175 + 715 = 175890
Step 247: 175890 + 715 = 176605
Step 248: 176605 + 715 = 177320
Step 249: 177320 + 715 = 178035
Step 250: 178035 + 715 = 178750
Step 251: 178750 + 715 = 179465
Step 252: 179465 + 715 = 180180
Step 253: 180180 + 715 = 180895
Step 254: 180895 + 715 = 181610
Step 255: 181610 + 715 = 182325
Step 256: 182325 + 715 = 183040
Step 257: 183040 + 715 = 183755
Step 258: 183755 + 715 = 184470
Step 259: 184470 + 715 = 185185
Step 260: 185185 + 715 = 185900
Step 261: 185900 + 715 = 186615
Step 262: 186615 + 715 = 187330
Step 263: 187330 + 715 = 188045
Step 264: 188045 + 715 = 188760
Step 265: 188760 + 715 = 189475
Step 266: 189475 + 715 = 190190
Step 267: 190190 + 715 = 190905
Step 268: 190905 + 715 = 191620
Step 269: 191620 + 715 = 192335
Step 270: 192335 + 715 = 193050
Step 271: 193050 + 715 = 193765
Step 272: 193765 + 715 = 194480
Step 273: 194480 + 715 = 195195
Step 274: 195195 + 715 = 195910
Step 275: 195910 + 715 = 196625
Step 276: 196625 + 715 = 197340
Step 277: 197340 + 715 = 198055
Step 278: 198055 + 715 = 198770
Step 279: 198770 + 715 = 199485
Step 280: 199485 + 715 = 200200
Step 281: 200200 + 715 = 200915
Step 282: 200915 + 715 = 201630
Step 283: 201630 + 715 = 202345
Step 284: 202345 + 715 = 203060
Step 285: 203060 + 715 = 203775
Step 286: 203775 + 715 = 204490
Step 287: 204490 + 715 = 205205
Step 288: 205205 + 715 = 205920
Step 289: 205920 + 715 = 206635
Step 290: 206635 + 715 = 207350
Step 291: 207350 + 715 = 208065
Step 292: 208065 + 715 = 208780
Step 293: 208780 + 715 = 209495
Step 294: 209495 + 715 = 210210
Step 295: 210210 + 715 = 210925
Step 296: 210925 + 715 = 211640
Step 297: 211640 + 715 = 212355
Step 298: 212355 + 715 = 213070
Step 299: 213070 + 715 = 213785
Step 300: 213785 + 715 = 214500
Step 301: 214500 + 715 = 215215
Step 302: 215215 + 715 = 215930
Step 303: 215930 + 715 = 216645
Step 304: 216645 + 715 = 217360
Step 305: 217360 + 715 = 218075
Step 306: 218075 + 715 = 218790
Step 307: 218790 + 715 = 219505
Step 308: 219505 + 715 = 220220
Step 309: 220220 + 715 = 220935
Step 310: 220935 + 715 = 221650
Step 311: 221650 + 715 = 222365
Step 312: 222365 + 715 = 223080
Step 313: 223080 + 715 = 223795
Step 314: 223795 + 715 = 224510
Step 315: 224510 + 715 = 225225
Step 316: 225225 + 715 = 225940
Step 317: 225940 + 715 = 226655
Step 318: 226655 + 715 = 227370
Step 319: 227370 + 715 = 228085
Step 320: 228085 + 715 = 228800
Step 321: 228800 + 715 = 229515
Step 322: 229515 + 715 = 230230
Step 323: 230230 + 715 = 230945
Step 324: 230945 + 715 = 231660
Step 325: 231660 + 715 = 232375
Step 326: 232375 + 715 = 233090
Step 327: 233090 + 715 = 233805
Step 328: 233805 + 715 = 234520
Step 329: 234520 + 715 = 235235
Step 330: 235235 + 715 = 235950
Step 331: 235950 + 715 = 236665
Step 332: 236665 + 715 = 237380
Step 333: 237380 + 715 = 238095
Step 334: 238095 + 715 = 238810
Step 335: 238810 + 715 = 239525
Step 336: 239525 + 715 = 240240
Step 337: 240240 + 715 = 240955
Step 338: 240955 + 715 = 241670
Step 339: 241670 + 715 = 242385
Step 340: 242385 + 715 = 243100
Step 341: 243100 + 715 = 243815
Step 342: 243815 + 715 = 244530
Step 343: 244530 + 715 = 245245
Step 344: 245245 + 715 = 245960
Step 345: 245960 + 715 = 246675
Step 346: 246675 + 715 = 247390
Step 347: 247390 + 715 = 248105
Step 348: 248105 + 715 = 248820
Step 349: 248820 + 715 = 249535
Step 350: 249535 + 715 = 250250
Step 351: 250250 + 715 = 250965
Step 352: 250965 + 715 = 251680
Step 353: 251680 + 715 = 252395
Step 354: 252395 + 715 = 253110
Step 355: 253110 + 715 = 253825

So, 715*355 = 253825