Alright, let's solve this math problem step by step. First, we have the number 850. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 359. So, we're going to take the number 850 and add it to itself 359 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

So, 850*359 = 305150