Alright, let's solve this math problem step by step. First, we have the number 5. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 287. So, we're going to take the number 5 and add it to itself 287 times.
Step 1: 0 + 5 = 5
Step 2: 5 + 5 = 10
Step 3: 10 + 5 = 15
Step 4: 15 + 5 = 20
Step 5: 20 + 5 = 25
Step 6: 25 + 5 = 30
Step 7: 30 + 5 = 35
Step 8: 35 + 5 = 40
Step 9: 40 + 5 = 45
Step 10: 45 + 5 = 50
Step 11: 50 + 5 = 55
Step 12: 55 + 5 = 60
Step 13: 60 + 5 = 65
Step 14: 65 + 5 = 70
Step 15: 70 + 5 = 75
Step 16: 75 + 5 = 80
Step 17: 80 + 5 = 85
Step 18: 85 + 5 = 90
Step 19: 90 + 5 = 95
Step 20: 95 + 5 = 100
Step 21: 100 + 5 = 105
Step 22: 105 + 5 = 110
Step 23: 110 + 5 = 115
Step 24: 115 + 5 = 120
Step 25: 120 + 5 = 125
Step 26: 125 + 5 = 130
Step 27: 130 + 5 = 135
Step 28: 135 + 5 = 140
Step 29: 140 + 5 = 145
Step 30: 145 + 5 = 150
Step 31: 150 + 5 = 155
Step 32: 155 + 5 = 160
Step 33: 160 + 5 = 165
Step 34: 165 + 5 = 170
Step 35: 170 + 5 = 175
Step 36: 175 + 5 = 180
Step 37: 180 + 5 = 185
Step 38: 185 + 5 = 190
Step 39: 190 + 5 = 195
Step 40: 195 + 5 = 200
Step 41: 200 + 5 = 205
Step 42: 205 + 5 = 210
Step 43: 210 + 5 = 215
Step 44: 215 + 5 = 220
Step 45: 220 + 5 = 225
Step 46: 225 + 5 = 230
Step 47: 230 + 5 = 235
Step 48: 235 + 5 = 240
Step 49: 240 + 5 = 245
Step 50: 245 + 5 = 250
Step 51: 250 + 5 = 255
Step 52: 255 + 5 = 260
Step 53: 260 + 5 = 265
Step 54: 265 + 5 = 270
Step 55: 270 + 5 = 275
Step 56: 275 + 5 = 280
Step 57: 280 + 5 = 285
Step 58: 285 + 5 = 290
Step 59: 290 + 5 = 295
Step 60: 295 + 5 = 300
Step 61: 300 + 5 = 305
Step 62: 305 + 5 = 310
Step 63: 310 + 5 = 315
Step 64: 315 + 5 = 320
Step 65: 320 + 5 = 325
Step 66: 325 + 5 = 330
Step 67: 330 + 5 = 335
Step 68: 335 + 5 = 340
Step 69: 340 + 5 = 345
Step 70: 345 + 5 = 350
Step 71: 350 + 5 = 355
Step 72: 355 + 5 = 360
Step 73: 360 + 5 = 365
Step 74: 365 + 5 = 370
Step 75: 370 + 5 = 375
Step 76: 375 + 5 = 380
Step 77: 380 + 5 = 385
Step 78: 385 + 5 = 390
Step 79: 390 + 5 = 395
Step 80: 395 + 5 = 400
Step 81: 400 + 5 = 405
Step 82: 405 + 5 = 410
Step 83: 410 + 5 = 415
Step 84: 415 + 5 = 420
Step 85: 420 + 5 = 425
Step 86: 425 + 5 = 430
Step 87: 430 + 5 = 435
Step 88: 435 + 5 = 440
Step 89: 440 + 5 = 445
Step 90: 445 + 5 = 450
Step 91: 450 + 5 = 455
Step 92: 455 + 5 = 460
Step 93: 460 + 5 = 465
Step 94: 465 + 5 = 470
Step 95: 470 + 5 = 475
Step 96: 475 + 5 = 480
Step 97: 480 + 5 = 485
Step 98: 485 + 5 = 490
Step 99: 490 + 5 = 495
Step 100: 495 + 5 = 500
Step 101: 500 + 5 = 505
Step 102: 505 + 5 = 510
Step 103: 510 + 5 = 515
Step 104: 515 + 5 = 520
Step 105: 520 + 5 = 525
Step 106: 525 + 5 = 530
Step 107: 530 + 5 = 535
Step 108: 535 + 5 = 540
Step 109: 540 + 5 = 545
Step 110: 545 + 5 = 550
Step 111: 550 + 5 = 555
Step 112: 555 + 5 = 560
Step 113: 560 + 5 = 565
Step 114: 565 + 5 = 570
Step 115: 570 + 5 = 575
Step 116: 575 + 5 = 580
Step 117: 580 + 5 = 585
Step 118: 585 + 5 = 590
Step 119: 590 + 5 = 595
Step 120: 595 + 5 = 600
Step 121: 600 + 5 = 605
Step 122: 605 + 5 = 610
Step 123: 610 + 5 = 615
Step 124: 615 + 5 = 620
Step 125: 620 + 5 = 625
Step 126: 625 + 5 = 630
Step 127: 630 + 5 = 635
Step 128: 635 + 5 = 640
Step 129: 640 + 5 = 645
Step 130: 645 + 5 = 650
Step 131: 650 + 5 = 655
Step 132: 655 + 5 = 660
Step 133: 660 + 5 = 665
Step 134: 665 + 5 = 670
Step 135: 670 + 5 = 675
Step 136: 675 + 5 = 680
Step 137: 680 + 5 = 685
Step 138: 685 + 5 = 690
Step 139: 690 + 5 = 695
Step 140: 695 + 5 = 700
Step 141: 700 + 5 = 705
Step 142: 705 + 5 = 710
Step 143: 710 + 5 = 715
Step 144: 715 + 5 = 720
Step 145: 720 + 5 = 725
Step 146: 725 + 5 = 730
Step 147: 730 + 5 = 735
Step 148: 735 + 5 = 740
Step 149: 740 + 5 = 745
Step 150: 745 + 5 = 750
Step 151: 750 + 5 = 755
Step 152: 755 + 5 = 760
Step 153: 760 + 5 = 765
Step 154: 765 + 5 = 770
Step 155: 770 + 5 = 775
Step 156: 775 + 5 = 780
Step 157: 780 + 5 = 785
Step 158: 785 + 5 = 790
Step 159: 790 + 5 = 795
Step 160: 795 + 5 = 800
Step 161: 800 + 5 = 805
Step 162: 805 + 5 = 810
Step 163: 810 + 5 = 815
Step 164: 815 + 5 = 820
Step 165: 820 + 5 = 825
Step 166: 825 + 5 = 830
Step 167: 830 + 5 = 835
Step 168: 835 + 5 = 840
Step 169: 840 + 5 = 845
Step 170: 845 + 5 = 850
Step 171: 850 + 5 = 855
Step 172: 855 + 5 = 860
Step 173: 860 + 5 = 865
Step 174: 865 + 5 = 870
Step 175: 870 + 5 = 875
Step 176: 875 + 5 = 880
Step 177: 880 + 5 = 885
Step 178: 885 + 5 = 890
Step 179: 890 + 5 = 895
Step 180: 895 + 5 = 900
Step 181: 900 + 5 = 905
Step 182: 905 + 5 = 910
Step 183: 910 + 5 = 915
Step 184: 915 + 5 = 920
Step 185: 920 + 5 = 925
Step 186: 925 + 5 = 930
Step 187: 930 + 5 = 935
Step 188: 935 + 5 = 940
Step 189: 940 + 5 = 945
Step 190: 945 + 5 = 950
Step 191: 950 + 5 = 955
Step 192: 955 + 5 = 960
Step 193: 960 + 5 = 965
Step 194: 965 + 5 = 970
Step 195: 970 + 5 = 975
Step 196: 975 + 5 = 980
Step 197: 980 + 5 = 985
Step 198: 985 + 5 = 990
Step 199: 990 + 5 = 995
Step 200: 995 + 5 = 1000
Step 201: 1000 + 5 = 1005
Step 202: 1005 + 5 = 1010
Step 203: 1010 + 5 = 1015
Step 204: 1015 + 5 = 1020
Step 205: 1020 + 5 = 1025
Step 206: 1025 + 5 = 1030
Step 207: 1030 + 5 = 1035
Step 208: 1035 + 5 = 1040
Step 209: 1040 + 5 = 1045
Step 210: 1045 + 5 = 1050
Step 211: 1050 + 5 = 1055
Step 212: 1055 + 5 = 1060
Step 213: 1060 + 5 = 1065
Step 214: 1065 + 5 = 1070
Step 215: 1070 + 5 = 1075
Step 216: 1075 + 5 = 1080
Step 217: 1080 + 5 = 1085
Step 218: 1085 + 5 = 1090
Step 219: 1090 + 5 = 1095
Step 220: 1095 + 5 = 1100
Step 221: 1100 + 5 = 1105
Step 222: 1105 + 5 = 1110
Step 223: 1110 + 5 = 1115
Step 224: 1115 + 5 = 1120
Step 225: 1120 + 5 = 1125
Step 226: 1125 + 5 = 1130
Step 227: 1130 + 5 = 1135
Step 228: 1135 + 5 = 1140
Step 229: 1140 + 5 = 1145
Step 230: 1145 + 5 = 1150
Step 231: 1150 + 5 = 1155
Step 232: 1155 + 5 = 1160
Step 233: 1160 + 5 = 1165
Step 234: 1165 + 5 = 1170
Step 235: 1170 + 5 = 1175
Step 236: 1175 + 5 = 1180
Step 237: 1180 + 5 = 1185
Step 238: 1185 + 5 = 1190
Step 239: 1190 + 5 = 1195
Step 240: 1195 + 5 = 1200
Step 241: 1200 + 5 = 1205
Step 242: 1205 + 5 = 1210
Step 243: 1210 + 5 = 1215
Step 244: 1215 + 5 = 1220
Step 245: 1220 + 5 = 1225
Step 246: 1225 + 5 = 1230
Step 247: 1230 + 5 = 1235
Step 248: 1235 + 5 = 1240
Step 249: 1240 + 5 = 1245
Step 250: 1245 + 5 = 1250
Step 251: 1250 + 5 = 1255
Step 252: 1255 + 5 = 1260
Step 253: 1260 + 5 = 1265
Step 254: 1265 + 5 = 1270
Step 255: 1270 + 5 = 1275
Step 256: 1275 + 5 = 1280
Step 257: 1280 + 5 = 1285
Step 258: 1285 + 5 = 1290
Step 259: 1290 + 5 = 1295
Step 260: 1295 + 5 = 1300
Step 261: 1300 + 5 = 1305
Step 262: 1305 + 5 = 1310
Step 263: 1310 + 5 = 1315
Step 264: 1315 + 5 = 1320
Step 265: 1320 + 5 = 1325
Step 266: 1325 + 5 = 1330
Step 267: 1330 + 5 = 1335
Step 268: 1335 + 5 = 1340
Step 269: 1340 + 5 = 1345
Step 270: 1345 + 5 = 1350
Step 271: 1350 + 5 = 1355
Step 272: 1355 + 5 = 1360
Step 273: 1360 + 5 = 1365
Step 274: 1365 + 5 = 1370
Step 275: 1370 + 5 = 1375
Step 276: 1375 + 5 = 1380
Step 277: 1380 + 5 = 1385
Step 278: 1385 + 5 = 1390
Step 279: 1390 + 5 = 1395
Step 280: 1395 + 5 = 1400
Step 281: 1400 + 5 = 1405
Step 282: 1405 + 5 = 1410
Step 283: 1410 + 5 = 1415
Step 284: 1415 + 5 = 1420
Step 285: 1420 + 5 = 1425
Step 286: 1425 + 5 = 1430
Step 287: 1430 + 5 = 1435

So, 5*287 = 1435