Let's roll up our sleeves and solve this. We have 875 and we're going to multiply it by 479, essentially adding 875 to itself 479 times.
Step 1: 0 + 875 = 875
Step 2: 875 + 875 = 1750
Step 3: 1750 + 875 = 2625
Step 4: 2625 + 875 = 3500
Step 5: 3500 + 875 = 4375
Step 6: 4375 + 875 = 5250
Step 7: 5250 + 875 = 6125
Step 8: 6125 + 875 = 7000
Step 9: 7000 + 875 = 7875
Step 10: 7875 + 875 = 8750
Step 11: 8750 + 875 = 9625
Step 12: 9625 + 875 = 10500
Step 13: 10500 + 875 = 11375
Step 14: 11375 + 875 = 12250
Step 15: 12250 + 875 = 13125
Step 16: 13125 + 875 = 14000
Step 17: 14000 + 875 = 14875
Step 18: 14875 + 875 = 15750
Step 19: 15750 + 875 = 16625
Step 20: 16625 + 875 = 17500
Step 21: 17500 + 875 = 18375
Step 22: 18375 + 875 = 19250
Step 23: 19250 + 875 = 20125
Step 24: 20125 + 875 = 21000
Step 25: 21000 + 875 = 21875
Step 26: 21875 + 875 = 22750
Step 27: 22750 + 875 = 23625
Step 28: 23625 + 875 = 24500
Step 29: 24500 + 875 = 25375
Step 30: 25375 + 875 = 26250
Step 31: 26250 + 875 = 27125
Step 32: 27125 + 875 = 28000
Step 33: 28000 + 875 = 28875
Step 34: 28875 + 875 = 29750
Step 35: 29750 + 875 = 30625
Step 36: 30625 + 875 = 31500
Step 37: 31500 + 875 = 32375
Step 38: 32375 + 875 = 33250
Step 39: 33250 + 875 = 34125
Step 40: 34125 + 875 = 35000
Step 41: 35000 + 875 = 35875
Step 42: 35875 + 875 = 36750
Step 43: 36750 + 875 = 37625
Step 44: 37625 + 875 = 38500
Step 45: 38500 + 875 = 39375
Step 46: 39375 + 875 = 40250
Step 47: 40250 + 875 = 41125
Step 48: 41125 + 875 = 42000
Step 49: 42000 + 875 = 42875
Step 50: 42875 + 875 = 43750
Step 51: 43750 + 875 = 44625
Step 52: 44625 + 875 = 45500
Step 53: 45500 + 875 = 46375
Step 54: 46375 + 875 = 47250
Step 55: 47250 + 875 = 48125
Step 56: 48125 + 875 = 49000
Step 57: 49000 + 875 = 49875
Step 58: 49875 + 875 = 50750
Step 59: 50750 + 875 = 51625
Step 60: 51625 + 875 = 52500
Step 61: 52500 + 875 = 53375
Step 62: 53375 + 875 = 54250
Step 63: 54250 + 875 = 55125
Step 64: 55125 + 875 = 56000
Step 65: 56000 + 875 = 56875
Step 66: 56875 + 875 = 57750
Step 67: 57750 + 875 = 58625
Step 68: 58625 + 875 = 59500
Step 69: 59500 + 875 = 60375
Step 70: 60375 + 875 = 61250
Step 71: 61250 + 875 = 62125
Step 72: 62125 + 875 = 63000
Step 73: 63000 + 875 = 63875
Step 74: 63875 + 875 = 64750
Step 75: 64750 + 875 = 65625
Step 76: 65625 + 875 = 66500
Step 77: 66500 + 875 = 67375
Step 78: 67375 + 875 = 68250
Step 79: 68250 + 875 = 69125
Step 80: 69125 + 875 = 70000
Step 81: 70000 + 875 = 70875
Step 82: 70875 + 875 = 71750
Step 83: 71750 + 875 = 72625
Step 84: 72625 + 875 = 73500
Step 85: 73500 + 875 = 74375
Step 86: 74375 + 875 = 75250
Step 87: 75250 + 875 = 76125
Step 88: 76125 + 875 = 77000
Step 89: 77000 + 875 = 77875
Step 90: 77875 + 875 = 78750
Step 91: 78750 + 875 = 79625
Step 92: 79625 + 875 = 80500
Step 93: 80500 + 875 = 81375
Step 94: 81375 + 875 = 82250
Step 95: 82250 + 875 = 83125
Step 96: 83125 + 875 = 84000
Step 97: 84000 + 875 = 84875
Step 98: 84875 + 875 = 85750
Step 99: 85750 + 875 = 86625
Step 100: 86625 + 875 = 87500
Step 101: 87500 + 875 = 88375
Step 102: 88375 + 875 = 89250
Step 103: 89250 + 875 = 90125
Step 104: 90125 + 875 = 91000
Step 105: 91000 + 875 = 91875
Step 106: 91875 + 875 = 92750
Step 107: 92750 + 875 = 93625
Step 108: 93625 + 875 = 94500
Step 109: 94500 + 875 = 95375
Step 110: 95375 + 875 = 96250
Step 111: 96250 + 875 = 97125
Step 112: 97125 + 875 = 98000
Step 113: 98000 + 875 = 98875
Step 114: 98875 + 875 = 99750
Step 115: 99750 + 875 = 100625
Step 116: 100625 + 875 = 101500
Step 117: 101500 + 875 = 102375
Step 118: 102375 + 875 = 103250
Step 119: 103250 + 875 = 104125
Step 120: 104125 + 875 = 105000
Step 121: 105000 + 875 = 105875
Step 122: 105875 + 875 = 106750
Step 123: 106750 + 875 = 107625
Step 124: 107625 + 875 = 108500
Step 125: 108500 + 875 = 109375
Step 126: 109375 + 875 = 110250
Step 127: 110250 + 875 = 111125
Step 128: 111125 + 875 = 112000
Step 129: 112000 + 875 = 112875
Step 130: 112875 + 875 = 113750
Step 131: 113750 + 875 = 114625
Step 132: 114625 + 875 = 115500
Step 133: 115500 + 875 = 116375
Step 134: 116375 + 875 = 117250
Step 135: 117250 + 875 = 118125
Step 136: 118125 + 875 = 119000
Step 137: 119000 + 875 = 119875
Step 138: 119875 + 875 = 120750
Step 139: 120750 + 875 = 121625
Step 140: 121625 + 875 = 122500
Step 141: 122500 + 875 = 123375
Step 142: 123375 + 875 = 124250
Step 143: 124250 + 875 = 125125
Step 144: 125125 + 875 = 126000
Step 145: 126000 + 875 = 126875
Step 146: 126875 + 875 = 127750
Step 147: 127750 + 875 = 128625
Step 148: 128625 + 875 = 129500
Step 149: 129500 + 875 = 130375
Step 150: 130375 + 875 = 131250
Step 151: 131250 + 875 = 132125
Step 152: 132125 + 875 = 133000
Step 153: 133000 + 875 = 133875
Step 154: 133875 + 875 = 134750
Step 155: 134750 + 875 = 135625
Step 156: 135625 + 875 = 136500
Step 157: 136500 + 875 = 137375
Step 158: 137375 + 875 = 138250
Step 159: 138250 + 875 = 139125
Step 160: 139125 + 875 = 140000
Step 161: 140000 + 875 = 140875
Step 162: 140875 + 875 = 141750
Step 163: 141750 + 875 = 142625
Step 164: 142625 + 875 = 143500
Step 165: 143500 + 875 = 144375
Step 166: 144375 + 875 = 145250
Step 167: 145250 + 875 = 146125
Step 168: 146125 + 875 = 147000
Step 169: 147000 + 875 = 147875
Step 170: 147875 + 875 = 148750
Step 171: 148750 + 875 = 149625
Step 172: 149625 + 875 = 150500
Step 173: 150500 + 875 = 151375
Step 174: 151375 + 875 = 152250
Step 175: 152250 + 875 = 153125
Step 176: 153125 + 875 = 154000
Step 177: 154000 + 875 = 154875
Step 178: 154875 + 875 = 155750
Step 179: 155750 + 875 = 156625
Step 180: 156625 + 875 = 157500
Step 181: 157500 + 875 = 158375
Step 182: 158375 + 875 = 159250
Step 183: 159250 + 875 = 160125
Step 184: 160125 + 875 = 161000
Step 185: 161000 + 875 = 161875
Step 186: 161875 + 875 = 162750
Step 187: 162750 + 875 = 163625
Step 188: 163625 + 875 = 164500
Step 189: 164500 + 875 = 165375
Step 190: 165375 + 875 = 166250
Step 191: 166250 + 875 = 167125
Step 192: 167125 + 875 = 168000
Step 193: 168000 + 875 = 168875
Step 194: 168875 + 875 = 169750
Step 195: 169750 + 875 = 170625
Step 196: 170625 + 875 = 171500
Step 197: 171500 + 875 = 172375
Step 198: 172375 + 875 = 173250
Step 199: 173250 + 875 = 174125
Step 200: 174125 + 875 = 175000
Step 201: 175000 + 875 = 175875
Step 202: 175875 + 875 = 176750
Step 203: 176750 + 875 = 177625
Step 204: 177625 + 875 = 178500
Step 205: 178500 + 875 = 179375
Step 206: 179375 + 875 = 180250
Step 207: 180250 + 875 = 181125
Step 208: 181125 + 875 = 182000
Step 209: 182000 + 875 = 182875
Step 210: 182875 + 875 = 183750
Step 211: 183750 + 875 = 184625
Step 212: 184625 + 875 = 185500
Step 213: 185500 + 875 = 186375
Step 214: 186375 + 875 = 187250
Step 215: 187250 + 875 = 188125
Step 216: 188125 + 875 = 189000
Step 217: 189000 + 875 = 189875
Step 218: 189875 + 875 = 190750
Step 219: 190750 + 875 = 191625
Step 220: 191625 + 875 = 192500
Step 221: 192500 + 875 = 193375
Step 222: 193375 + 875 = 194250
Step 223: 194250 + 875 = 195125
Step 224: 195125 + 875 = 196000
Step 225: 196000 + 875 = 196875
Step 226: 196875 + 875 = 197750
Step 227: 197750 + 875 = 198625
Step 228: 198625 + 875 = 199500
Step 229: 199500 + 875 = 200375
Step 230: 200375 + 875 = 201250
Step 231: 201250 + 875 = 202125
Step 232: 202125 + 875 = 203000
Step 233: 203000 + 875 = 203875
Step 234: 203875 + 875 = 204750
Step 235: 204750 + 875 = 205625
Step 236: 205625 + 875 = 206500
Step 237: 206500 + 875 = 207375
Step 238: 207375 + 875 = 208250
Step 239: 208250 + 875 = 209125
Step 240: 209125 + 875 = 210000
Step 241: 210000 + 875 = 210875
Step 242: 210875 + 875 = 211750
Step 243: 211750 + 875 = 212625
Step 244: 212625 + 875 = 213500
Step 245: 213500 + 875 = 214375
Step 246: 214375 + 875 = 215250
Step 247: 215250 + 875 = 216125
Step 248: 216125 + 875 = 217000
Step 249: 217000 + 875 = 217875
Step 250: 217875 + 875 = 218750
Step 251: 218750 + 875 = 219625
Step 252: 219625 + 875 = 220500
Step 253: 220500 + 875 = 221375
Step 254: 221375 + 875 = 222250
Step 255: 222250 + 875 = 223125
Step 256: 223125 + 875 = 224000
Step 257: 224000 + 875 = 224875
Step 258: 224875 + 875 = 225750
Step 259: 225750 + 875 = 226625
Step 260: 226625 + 875 = 227500
Step 261: 227500 + 875 = 228375
Step 262: 228375 + 875 = 229250
Step 263: 229250 + 875 = 230125
Step 264: 230125 + 875 = 231000
Step 265: 231000 + 875 = 231875
Step 266: 231875 + 875 = 232750
Step 267: 232750 + 875 = 233625
Step 268: 233625 + 875 = 234500
Step 269: 234500 + 875 = 235375
Step 270: 235375 + 875 = 236250
Step 271: 236250 + 875 = 237125
Step 272: 237125 + 875 = 238000
Step 273: 238000 + 875 = 238875
Step 274: 238875 + 875 = 239750
Step 275: 239750 + 875 = 240625
Step 276: 240625 + 875 = 241500
Step 277: 241500 + 875 = 242375
Step 278: 242375 + 875 = 243250
Step 279: 243250 + 875 = 244125
Step 280: 244125 + 875 = 245000
Step 281: 245000 + 875 = 245875
Step 282: 245875 + 875 = 246750
Step 283: 246750 + 875 = 247625
Step 284: 247625 + 875 = 248500
Step 285: 248500 + 875 = 249375
Step 286: 249375 + 875 = 250250
Step 287: 250250 + 875 = 251125
Step 288: 251125 + 875 = 252000
Step 289: 252000 + 875 = 252875
Step 290: 252875 + 875 = 253750
Step 291: 253750 + 875 = 254625
Step 292: 254625 + 875 = 255500
Step 293: 255500 + 875 = 256375
Step 294: 256375 + 875 = 257250
Step 295: 257250 + 875 = 258125
Step 296: 258125 + 875 = 259000
Step 297: 259000 + 875 = 259875
Step 298: 259875 + 875 = 260750
Step 299: 260750 + 875 = 261625
Step 300: 261625 + 875 = 262500
Step 301: 262500 + 875 = 263375
Step 302: 263375 + 875 = 264250
Step 303: 264250 + 875 = 265125
Step 304: 265125 + 875 = 266000
Step 305: 266000 + 875 = 266875
Step 306: 266875 + 875 = 267750
Step 307: 267750 + 875 = 268625
Step 308: 268625 + 875 = 269500
Step 309: 269500 + 875 = 270375
Step 310: 270375 + 875 = 271250
Step 311: 271250 + 875 = 272125
Step 312: 272125 + 875 = 273000
Step 313: 273000 + 875 = 273875
Step 314: 273875 + 875 = 274750
Step 315: 274750 + 875 = 275625
Step 316: 275625 + 875 = 276500
Step 317: 276500 + 875 = 277375
Step 318: 277375 + 875 = 278250
Step 319: 278250 + 875 = 279125
Step 320: 279125 + 875 = 280000
Step 321: 280000 + 875 = 280875
Step 322: 280875 + 875 = 281750
Step 323: 281750 + 875 = 282625
Step 324: 282625 + 875 = 283500
Step 325: 283500 + 875 = 284375
Step 326: 284375 + 875 = 285250
Step 327: 285250 + 875 = 286125
Step 328: 286125 + 875 = 287000
Step 329: 287000 + 875 = 287875
Step 330: 287875 + 875 = 288750
Step 331: 288750 + 875 = 289625
Step 332: 289625 + 875 = 290500
Step 333: 290500 + 875 = 291375
Step 334: 291375 + 875 = 292250
Step 335: 292250 + 875 = 293125
Step 336: 293125 + 875 = 294000
Step 337: 294000 + 875 = 294875
Step 338: 294875 + 875 = 295750
Step 339: 295750 + 875 = 296625
Step 340: 296625 + 875 = 297500
Step 341: 297500 + 875 = 298375
Step 342: 298375 + 875 = 299250
Step 343: 299250 + 875 = 300125
Step 344: 300125 + 875 = 301000
Step 345: 301000 + 875 = 301875
Step 346: 301875 + 875 = 302750
Step 347: 302750 + 875 = 303625
Step 348: 303625 + 875 = 304500
Step 349: 304500 + 875 = 305375
Step 350: 305375 + 875 = 306250
Step 351: 306250 + 875 = 307125
Step 352: 307125 + 875 = 308000
Step 353: 308000 + 875 = 308875
Step 354: 308875 + 875 = 309750
Step 355: 309750 + 875 = 310625
Step 356: 310625 + 875 = 311500
Step 357: 311500 + 875 = 312375
Step 358: 312375 + 875 = 313250
Step 359: 313250 + 875 = 314125
Step 360: 314125 + 875 = 315000
Step 361: 315000 + 875 = 315875
Step 362: 315875 + 875 = 316750
Step 363: 316750 + 875 = 317625
Step 364: 317625 + 875 = 318500
Step 365: 318500 + 875 = 319375
Step 366: 319375 + 875 = 320250
Step 367: 320250 + 875 = 321125
Step 368: 321125 + 875 = 322000
Step 369: 322000 + 875 = 322875
Step 370: 322875 + 875 = 323750
Step 371: 323750 + 875 = 324625
Step 372: 324625 + 875 = 325500
Step 373: 325500 + 875 = 326375
Step 374: 326375 + 875 = 327250
Step 375: 327250 + 875 = 328125
Step 376: 328125 + 875 = 329000
Step 377: 329000 + 875 = 329875
Step 378: 329875 + 875 = 330750
Step 379: 330750 + 875 = 331625
Step 380: 331625 + 875 = 332500
Step 381: 332500 + 875 = 333375
Step 382: 333375 + 875 = 334250
Step 383: 334250 + 875 = 335125
Step 384: 335125 + 875 = 336000
Step 385: 336000 + 875 = 336875
Step 386: 336875 + 875 = 337750
Step 387: 337750 + 875 = 338625
Step 388: 338625 + 875 = 339500
Step 389: 339500 + 875 = 340375
Step 390: 340375 + 875 = 341250
Step 391: 341250 + 875 = 342125
Step 392: 342125 + 875 = 343000
Step 393: 343000 + 875 = 343875
Step 394: 343875 + 875 = 344750
Step 395: 344750 + 875 = 345625
Step 396: 345625 + 875 = 346500
Step 397: 346500 + 875 = 347375
Step 398: 347375 + 875 = 348250
Step 399: 348250 + 875 = 349125
Step 400: 349125 + 875 = 350000
Step 401: 350000 + 875 = 350875
Step 402: 350875 + 875 = 351750
Step 403: 351750 + 875 = 352625
Step 404: 352625 + 875 = 353500
Step 405: 353500 + 875 = 354375
Step 406: 354375 + 875 = 355250
Step 407: 355250 + 875 = 356125
Step 408: 356125 + 875 = 357000
Step 409: 357000 + 875 = 357875
Step 410: 357875 + 875 = 358750
Step 411: 358750 + 875 = 359625
Step 412: 359625 + 875 = 360500
Step 413: 360500 + 875 = 361375
Step 414: 361375 + 875 = 362250
Step 415: 362250 + 875 = 363125
Step 416: 363125 + 875 = 364000
Step 417: 364000 + 875 = 364875
Step 418: 364875 + 875 = 365750
Step 419: 365750 + 875 = 366625
Step 420: 366625 + 875 = 367500
Step 421: 367500 + 875 = 368375
Step 422: 368375 + 875 = 369250
Step 423: 369250 + 875 = 370125
Step 424: 370125 + 875 = 371000
Step 425: 371000 + 875 = 371875
Step 426: 371875 + 875 = 372750
Step 427: 372750 + 875 = 373625
Step 428: 373625 + 875 = 374500
Step 429: 374500 + 875 = 375375
Step 430: 375375 + 875 = 376250
Step 431: 376250 + 875 = 377125
Step 432: 377125 + 875 = 378000
Step 433: 378000 + 875 = 378875
Step 434: 378875 + 875 = 379750
Step 435: 379750 + 875 = 380625
Step 436: 380625 + 875 = 381500
Step 437: 381500 + 875 = 382375
Step 438: 382375 + 875 = 383250
Step 439: 383250 + 875 = 384125
Step 440: 384125 + 875 = 385000
Step 441: 385000 + 875 = 385875
Step 442: 385875 + 875 = 386750
Step 443: 386750 + 875 = 387625
Step 444: 387625 + 875 = 388500
Step 445: 388500 + 875 = 389375
Step 446: 389375 + 875 = 390250
Step 447: 390250 + 875 = 391125
Step 448: 391125 + 875 = 392000
Step 449: 392000 + 875 = 392875
Step 450: 392875 + 875 = 393750
Step 451: 393750 + 875 = 394625
Step 452: 394625 + 875 = 395500
Step 453: 395500 + 875 = 396375
Step 454: 396375 + 875 = 397250
Step 455: 397250 + 875 = 398125
Step 456: 398125 + 875 = 399000
Step 457: 399000 + 875 = 399875
Step 458: 399875 + 875 = 400750
Step 459: 400750 + 875 = 401625
Step 460: 401625 + 875 = 402500
Step 461: 402500 + 875 = 403375
Step 462: 403375 + 875 = 404250
Step 463: 404250 + 875 = 405125
Step 464: 405125 + 875 = 406000
Step 465: 406000 + 875 = 406875
Step 466: 406875 + 875 = 407750
Step 467: 407750 + 875 = 408625
Step 468: 408625 + 875 = 409500
Step 469: 409500 + 875 = 410375
Step 470: 410375 + 875 = 411250
Step 471: 411250 + 875 = 412125
Step 472: 412125 + 875 = 413000
Step 473: 413000 + 875 = 413875
Step 474: 413875 + 875 = 414750
Step 475: 414750 + 875 = 415625
Step 476: 415625 + 875 = 416500
Step 477: 416500 + 875 = 417375
Step 478: 417375 + 875 = 418250
Step 479: 418250 + 875 = 419125

So, 875*479 = 419125