OK, let's crack this. We're given 850 and our task is to multiply it by 446. Essentially, we'll be adding 850 to itself 446 times.
Step 1: 0 + 850 = 850
Step 2: 850 + 850 = 1700
Step 3: 1700 + 850 = 2550
Step 4: 2550 + 850 = 3400
Step 5: 3400 + 850 = 4250
Step 6: 4250 + 850 = 5100
Step 7: 5100 + 850 = 5950
Step 8: 5950 + 850 = 6800
Step 9: 6800 + 850 = 7650
Step 10: 7650 + 850 = 8500
Step 11: 8500 + 850 = 9350
Step 12: 9350 + 850 = 10200
Step 13: 10200 + 850 = 11050
Step 14: 11050 + 850 = 11900
Step 15: 11900 + 850 = 12750
Step 16: 12750 + 850 = 13600
Step 17: 13600 + 850 = 14450
Step 18: 14450 + 850 = 15300
Step 19: 15300 + 850 = 16150
Step 20: 16150 + 850 = 17000
Step 21: 17000 + 850 = 17850
Step 22: 17850 + 850 = 18700
Step 23: 18700 + 850 = 19550
Step 24: 19550 + 850 = 20400
Step 25: 20400 + 850 = 21250
Step 26: 21250 + 850 = 22100
Step 27: 22100 + 850 = 22950
Step 28: 22950 + 850 = 23800
Step 29: 23800 + 850 = 24650
Step 30: 24650 + 850 = 25500
Step 31: 25500 + 850 = 26350
Step 32: 26350 + 850 = 27200
Step 33: 27200 + 850 = 28050
Step 34: 28050 + 850 = 28900
Step 35: 28900 + 850 = 29750
Step 36: 29750 + 850 = 30600
Step 37: 30600 + 850 = 31450
Step 38: 31450 + 850 = 32300
Step 39: 32300 + 850 = 33150
Step 40: 33150 + 850 = 34000
Step 41: 34000 + 850 = 34850
Step 42: 34850 + 850 = 35700
Step 43: 35700 + 850 = 36550
Step 44: 36550 + 850 = 37400
Step 45: 37400 + 850 = 38250
Step 46: 38250 + 850 = 39100
Step 47: 39100 + 850 = 39950
Step 48: 39950 + 850 = 40800
Step 49: 40800 + 850 = 41650
Step 50: 41650 + 850 = 42500
Step 51: 42500 + 850 = 43350
Step 52: 43350 + 850 = 44200
Step 53: 44200 + 850 = 45050
Step 54: 45050 + 850 = 45900
Step 55: 45900 + 850 = 46750
Step 56: 46750 + 850 = 47600
Step 57: 47600 + 850 = 48450
Step 58: 48450 + 850 = 49300
Step 59: 49300 + 850 = 50150
Step 60: 50150 + 850 = 51000
Step 61: 51000 + 850 = 51850
Step 62: 51850 + 850 = 52700
Step 63: 52700 + 850 = 53550
Step 64: 53550 + 850 = 54400
Step 65: 54400 + 850 = 55250
Step 66: 55250 + 850 = 56100
Step 67: 56100 + 850 = 56950
Step 68: 56950 + 850 = 57800
Step 69: 57800 + 850 = 58650
Step 70: 58650 + 850 = 59500
Step 71: 59500 + 850 = 60350
Step 72: 60350 + 850 = 61200
Step 73: 61200 + 850 = 62050
Step 74: 62050 + 850 = 62900
Step 75: 62900 + 850 = 63750
Step 76: 63750 + 850 = 64600
Step 77: 64600 + 850 = 65450
Step 78: 65450 + 850 = 66300
Step 79: 66300 + 850 = 67150
Step 80: 67150 + 850 = 68000
Step 81: 68000 + 850 = 68850
Step 82: 68850 + 850 = 69700
Step 83: 69700 + 850 = 70550
Step 84: 70550 + 850 = 71400
Step 85: 71400 + 850 = 72250
Step 86: 72250 + 850 = 73100
Step 87: 73100 + 850 = 73950
Step 88: 73950 + 850 = 74800
Step 89: 74800 + 850 = 75650
Step 90: 75650 + 850 = 76500
Step 91: 76500 + 850 = 77350
Step 92: 77350 + 850 = 78200
Step 93: 78200 + 850 = 79050
Step 94: 79050 + 850 = 79900
Step 95: 79900 + 850 = 80750
Step 96: 80750 + 850 = 81600
Step 97: 81600 + 850 = 82450
Step 98: 82450 + 850 = 83300
Step 99: 83300 + 850 = 84150
Step 100: 84150 + 850 = 85000
Step 101: 85000 + 850 = 85850
Step 102: 85850 + 850 = 86700
Step 103: 86700 + 850 = 87550
Step 104: 87550 + 850 = 88400
Step 105: 88400 + 850 = 89250
Step 106: 89250 + 850 = 90100
Step 107: 90100 + 850 = 90950
Step 108: 90950 + 850 = 91800
Step 109: 91800 + 850 = 92650
Step 110: 92650 + 850 = 93500
Step 111: 93500 + 850 = 94350
Step 112: 94350 + 850 = 95200
Step 113: 95200 + 850 = 96050
Step 114: 96050 + 850 = 96900
Step 115: 96900 + 850 = 97750
Step 116: 97750 + 850 = 98600
Step 117: 98600 + 850 = 99450
Step 118: 99450 + 850 = 100300
Step 119: 100300 + 850 = 101150
Step 120: 101150 + 850 = 102000
Step 121: 102000 + 850 = 102850
Step 122: 102850 + 850 = 103700
Step 123: 103700 + 850 = 104550
Step 124: 104550 + 850 = 105400
Step 125: 105400 + 850 = 106250
Step 126: 106250 + 850 = 107100
Step 127: 107100 + 850 = 107950
Step 128: 107950 + 850 = 108800
Step 129: 108800 + 850 = 109650
Step 130: 109650 + 850 = 110500
Step 131: 110500 + 850 = 111350
Step 132: 111350 + 850 = 112200
Step 133: 112200 + 850 = 113050
Step 134: 113050 + 850 = 113900
Step 135: 113900 + 850 = 114750
Step 136: 114750 + 850 = 115600
Step 137: 115600 + 850 = 116450
Step 138: 116450 + 850 = 117300
Step 139: 117300 + 850 = 118150
Step 140: 118150 + 850 = 119000
Step 141: 119000 + 850 = 119850
Step 142: 119850 + 850 = 120700
Step 143: 120700 + 850 = 121550
Step 144: 121550 + 850 = 122400
Step 145: 122400 + 850 = 123250
Step 146: 123250 + 850 = 124100
Step 147: 124100 + 850 = 124950
Step 148: 124950 + 850 = 125800
Step 149: 125800 + 850 = 126650
Step 150: 126650 + 850 = 127500
Step 151: 127500 + 850 = 128350
Step 152: 128350 + 850 = 129200
Step 153: 129200 + 850 = 130050
Step 154: 130050 + 850 = 130900
Step 155: 130900 + 850 = 131750
Step 156: 131750 + 850 = 132600
Step 157: 132600 + 850 = 133450
Step 158: 133450 + 850 = 134300
Step 159: 134300 + 850 = 135150
Step 160: 135150 + 850 = 136000
Step 161: 136000 + 850 = 136850
Step 162: 136850 + 850 = 137700
Step 163: 137700 + 850 = 138550
Step 164: 138550 + 850 = 139400
Step 165: 139400 + 850 = 140250
Step 166: 140250 + 850 = 141100
Step 167: 141100 + 850 = 141950
Step 168: 141950 + 850 = 142800
Step 169: 142800 + 850 = 143650
Step 170: 143650 + 850 = 144500
Step 171: 144500 + 850 = 145350
Step 172: 145350 + 850 = 146200
Step 173: 146200 + 850 = 147050
Step 174: 147050 + 850 = 147900
Step 175: 147900 + 850 = 148750
Step 176: 148750 + 850 = 149600
Step 177: 149600 + 850 = 150450
Step 178: 150450 + 850 = 151300
Step 179: 151300 + 850 = 152150
Step 180: 152150 + 850 = 153000
Step 181: 153000 + 850 = 153850
Step 182: 153850 + 850 = 154700
Step 183: 154700 + 850 = 155550
Step 184: 155550 + 850 = 156400
Step 185: 156400 + 850 = 157250
Step 186: 157250 + 850 = 158100
Step 187: 158100 + 850 = 158950
Step 188: 158950 + 850 = 159800
Step 189: 159800 + 850 = 160650
Step 190: 160650 + 850 = 161500
Step 191: 161500 + 850 = 162350
Step 192: 162350 + 850 = 163200
Step 193: 163200 + 850 = 164050
Step 194: 164050 + 850 = 164900
Step 195: 164900 + 850 = 165750
Step 196: 165750 + 850 = 166600
Step 197: 166600 + 850 = 167450
Step 198: 167450 + 850 = 168300
Step 199: 168300 + 850 = 169150
Step 200: 169150 + 850 = 170000
Step 201: 170000 + 850 = 170850
Step 202: 170850 + 850 = 171700
Step 203: 171700 + 850 = 172550
Step 204: 172550 + 850 = 173400
Step 205: 173400 + 850 = 174250
Step 206: 174250 + 850 = 175100
Step 207: 175100 + 850 = 175950
Step 208: 175950 + 850 = 176800
Step 209: 176800 + 850 = 177650
Step 210: 177650 + 850 = 178500
Step 211: 178500 + 850 = 179350
Step 212: 179350 + 850 = 180200
Step 213: 180200 + 850 = 181050
Step 214: 181050 + 850 = 181900
Step 215: 181900 + 850 = 182750
Step 216: 182750 + 850 = 183600
Step 217: 183600 + 850 = 184450
Step 218: 184450 + 850 = 185300
Step 219: 185300 + 850 = 186150
Step 220: 186150 + 850 = 187000
Step 221: 187000 + 850 = 187850
Step 222: 187850 + 850 = 188700
Step 223: 188700 + 850 = 189550
Step 224: 189550 + 850 = 190400
Step 225: 190400 + 850 = 191250
Step 226: 191250 + 850 = 192100
Step 227: 192100 + 850 = 192950
Step 228: 192950 + 850 = 193800
Step 229: 193800 + 850 = 194650
Step 230: 194650 + 850 = 195500
Step 231: 195500 + 850 = 196350
Step 232: 196350 + 850 = 197200
Step 233: 197200 + 850 = 198050
Step 234: 198050 + 850 = 198900
Step 235: 198900 + 850 = 199750
Step 236: 199750 + 850 = 200600
Step 237: 200600 + 850 = 201450
Step 238: 201450 + 850 = 202300
Step 239: 202300 + 850 = 203150
Step 240: 203150 + 850 = 204000
Step 241: 204000 + 850 = 204850
Step 242: 204850 + 850 = 205700
Step 243: 205700 + 850 = 206550
Step 244: 206550 + 850 = 207400
Step 245: 207400 + 850 = 208250
Step 246: 208250 + 850 = 209100
Step 247: 209100 + 850 = 209950
Step 248: 209950 + 850 = 210800
Step 249: 210800 + 850 = 211650
Step 250: 211650 + 850 = 212500
Step 251: 212500 + 850 = 213350
Step 252: 213350 + 850 = 214200
Step 253: 214200 + 850 = 215050
Step 254: 215050 + 850 = 215900
Step 255: 215900 + 850 = 216750
Step 256: 216750 + 850 = 217600
Step 257: 217600 + 850 = 218450
Step 258: 218450 + 850 = 219300
Step 259: 219300 + 850 = 220150
Step 260: 220150 + 850 = 221000
Step 261: 221000 + 850 = 221850
Step 262: 221850 + 850 = 222700
Step 263: 222700 + 850 = 223550
Step 264: 223550 + 850 = 224400
Step 265: 224400 + 850 = 225250
Step 266: 225250 + 850 = 226100
Step 267: 226100 + 850 = 226950
Step 268: 226950 + 850 = 227800
Step 269: 227800 + 850 = 228650
Step 270: 228650 + 850 = 229500
Step 271: 229500 + 850 = 230350
Step 272: 230350 + 850 = 231200
Step 273: 231200 + 850 = 232050
Step 274: 232050 + 850 = 232900
Step 275: 232900 + 850 = 233750
Step 276: 233750 + 850 = 234600
Step 277: 234600 + 850 = 235450
Step 278: 235450 + 850 = 236300
Step 279: 236300 + 850 = 237150
Step 280: 237150 + 850 = 238000
Step 281: 238000 + 850 = 238850
Step 282: 238850 + 850 = 239700
Step 283: 239700 + 850 = 240550
Step 284: 240550 + 850 = 241400
Step 285: 241400 + 850 = 242250
Step 286: 242250 + 850 = 243100
Step 287: 243100 + 850 = 243950
Step 288: 243950 + 850 = 244800
Step 289: 244800 + 850 = 245650
Step 290: 245650 + 850 = 246500
Step 291: 246500 + 850 = 247350
Step 292: 247350 + 850 = 248200
Step 293: 248200 + 850 = 249050
Step 294: 249050 + 850 = 249900
Step 295: 249900 + 850 = 250750
Step 296: 250750 + 850 = 251600
Step 297: 251600 + 850 = 252450
Step 298: 252450 + 850 = 253300
Step 299: 253300 + 850 = 254150
Step 300: 254150 + 850 = 255000
Step 301: 255000 + 850 = 255850
Step 302: 255850 + 850 = 256700
Step 303: 256700 + 850 = 257550
Step 304: 257550 + 850 = 258400
Step 305: 258400 + 850 = 259250
Step 306: 259250 + 850 = 260100
Step 307: 260100 + 850 = 260950
Step 308: 260950 + 850 = 261800
Step 309: 261800 + 850 = 262650
Step 310: 262650 + 850 = 263500
Step 311: 263500 + 850 = 264350
Step 312: 264350 + 850 = 265200
Step 313: 265200 + 850 = 266050
Step 314: 266050 + 850 = 266900
Step 315: 266900 + 850 = 267750
Step 316: 267750 + 850 = 268600
Step 317: 268600 + 850 = 269450
Step 318: 269450 + 850 = 270300
Step 319: 270300 + 850 = 271150
Step 320: 271150 + 850 = 272000
Step 321: 272000 + 850 = 272850
Step 322: 272850 + 850 = 273700
Step 323: 273700 + 850 = 274550
Step 324: 274550 + 850 = 275400
Step 325: 275400 + 850 = 276250
Step 326: 276250 + 850 = 277100
Step 327: 277100 + 850 = 277950
Step 328: 277950 + 850 = 278800
Step 329: 278800 + 850 = 279650
Step 330: 279650 + 850 = 280500
Step 331: 280500 + 850 = 281350
Step 332: 281350 + 850 = 282200
Step 333: 282200 + 850 = 283050
Step 334: 283050 + 850 = 283900
Step 335: 283900 + 850 = 284750
Step 336: 284750 + 850 = 285600
Step 337: 285600 + 850 = 286450
Step 338: 286450 + 850 = 287300
Step 339: 287300 + 850 = 288150
Step 340: 288150 + 850 = 289000
Step 341: 289000 + 850 = 289850
Step 342: 289850 + 850 = 290700
Step 343: 290700 + 850 = 291550
Step 344: 291550 + 850 = 292400
Step 345: 292400 + 850 = 293250
Step 346: 293250 + 850 = 294100
Step 347: 294100 + 850 = 294950
Step 348: 294950 + 850 = 295800
Step 349: 295800 + 850 = 296650
Step 350: 296650 + 850 = 297500
Step 351: 297500 + 850 = 298350
Step 352: 298350 + 850 = 299200
Step 353: 299200 + 850 = 300050
Step 354: 300050 + 850 = 300900
Step 355: 300900 + 850 = 301750
Step 356: 301750 + 850 = 302600
Step 357: 302600 + 850 = 303450
Step 358: 303450 + 850 = 304300
Step 359: 304300 + 850 = 305150
Step 360: 305150 + 850 = 306000
Step 361: 306000 + 850 = 306850
Step 362: 306850 + 850 = 307700
Step 363: 307700 + 850 = 308550
Step 364: 308550 + 850 = 309400
Step 365: 309400 + 850 = 310250
Step 366: 310250 + 850 = 311100
Step 367: 311100 + 850 = 311950
Step 368: 311950 + 850 = 312800
Step 369: 312800 + 850 = 313650
Step 370: 313650 + 850 = 314500
Step 371: 314500 + 850 = 315350
Step 372: 315350 + 850 = 316200
Step 373: 316200 + 850 = 317050
Step 374: 317050 + 850 = 317900
Step 375: 317900 + 850 = 318750
Step 376: 318750 + 850 = 319600
Step 377: 319600 + 850 = 320450
Step 378: 320450 + 850 = 321300
Step 379: 321300 + 850 = 322150
Step 380: 322150 + 850 = 323000
Step 381: 323000 + 850 = 323850
Step 382: 323850 + 850 = 324700
Step 383: 324700 + 850 = 325550
Step 384: 325550 + 850 = 326400
Step 385: 326400 + 850 = 327250
Step 386: 327250 + 850 = 328100
Step 387: 328100 + 850 = 328950
Step 388: 328950 + 850 = 329800
Step 389: 329800 + 850 = 330650
Step 390: 330650 + 850 = 331500
Step 391: 331500 + 850 = 332350
Step 392: 332350 + 850 = 333200
Step 393: 333200 + 850 = 334050
Step 394: 334050 + 850 = 334900
Step 395: 334900 + 850 = 335750
Step 396: 335750 + 850 = 336600
Step 397: 336600 + 850 = 337450
Step 398: 337450 + 850 = 338300
Step 399: 338300 + 850 = 339150
Step 400: 339150 + 850 = 340000
Step 401: 340000 + 850 = 340850
Step 402: 340850 + 850 = 341700
Step 403: 341700 + 850 = 342550
Step 404: 342550 + 850 = 343400
Step 405: 343400 + 850 = 344250
Step 406: 344250 + 850 = 345100
Step 407: 345100 + 850 = 345950
Step 408: 345950 + 850 = 346800
Step 409: 346800 + 850 = 347650
Step 410: 347650 + 850 = 348500
Step 411: 348500 + 850 = 349350
Step 412: 349350 + 850 = 350200
Step 413: 350200 + 850 = 351050
Step 414: 351050 + 850 = 351900
Step 415: 351900 + 850 = 352750
Step 416: 352750 + 850 = 353600
Step 417: 353600 + 850 = 354450
Step 418: 354450 + 850 = 355300
Step 419: 355300 + 850 = 356150
Step 420: 356150 + 850 = 357000
Step 421: 357000 + 850 = 357850
Step 422: 357850 + 850 = 358700
Step 423: 358700 + 850 = 359550
Step 424: 359550 + 850 = 360400
Step 425: 360400 + 850 = 361250
Step 426: 361250 + 850 = 362100
Step 427: 362100 + 850 = 362950
Step 428: 362950 + 850 = 363800
Step 429: 363800 + 850 = 364650
Step 430: 364650 + 850 = 365500
Step 431: 365500 + 850 = 366350
Step 432: 366350 + 850 = 367200
Step 433: 367200 + 850 = 368050
Step 434: 368050 + 850 = 368900
Step 435: 368900 + 850 = 369750
Step 436: 369750 + 850 = 370600
Step 437: 370600 + 850 = 371450
Step 438: 371450 + 850 = 372300
Step 439: 372300 + 850 = 373150
Step 440: 373150 + 850 = 374000
Step 441: 374000 + 850 = 374850
Step 442: 374850 + 850 = 375700
Step 443: 375700 + 850 = 376550
Step 444: 376550 + 850 = 377400
Step 445: 377400 + 850 = 378250
Step 446: 378250 + 850 = 379100

So, 850*446 = 379100