Let's roll up our sleeves and solve this. We have 35 and we're going to multiply it by 339, essentially adding 35 to itself 339 times.
Step 1: 0 + 35 = 35
Step 2: 35 + 35 = 70
Step 3: 70 + 35 = 105
Step 4: 105 + 35 = 140
Step 5: 140 + 35 = 175
Step 6: 175 + 35 = 210
Step 7: 210 + 35 = 245
Step 8: 245 + 35 = 280
Step 9: 280 + 35 = 315
Step 10: 315 + 35 = 350
Step 11: 350 + 35 = 385
Step 12: 385 + 35 = 420
Step 13: 420 + 35 = 455
Step 14: 455 + 35 = 490
Step 15: 490 + 35 = 525
Step 16: 525 + 35 = 560
Step 17: 560 + 35 = 595
Step 18: 595 + 35 = 630
Step 19: 630 + 35 = 665
Step 20: 665 + 35 = 700
Step 21: 700 + 35 = 735
Step 22: 735 + 35 = 770
Step 23: 770 + 35 = 805
Step 24: 805 + 35 = 840
Step 25: 840 + 35 = 875
Step 26: 875 + 35 = 910
Step 27: 910 + 35 = 945
Step 28: 945 + 35 = 980
Step 29: 980 + 35 = 1015
Step 30: 1015 + 35 = 1050
Step 31: 1050 + 35 = 1085
Step 32: 1085 + 35 = 1120
Step 33: 1120 + 35 = 1155
Step 34: 1155 + 35 = 1190
Step 35: 1190 + 35 = 1225
Step 36: 1225 + 35 = 1260
Step 37: 1260 + 35 = 1295
Step 38: 1295 + 35 = 1330
Step 39: 1330 + 35 = 1365
Step 40: 1365 + 35 = 1400
Step 41: 1400 + 35 = 1435
Step 42: 1435 + 35 = 1470
Step 43: 1470 + 35 = 1505
Step 44: 1505 + 35 = 1540
Step 45: 1540 + 35 = 1575
Step 46: 1575 + 35 = 1610
Step 47: 1610 + 35 = 1645
Step 48: 1645 + 35 = 1680
Step 49: 1680 + 35 = 1715
Step 50: 1715 + 35 = 1750
Step 51: 1750 + 35 = 1785
Step 52: 1785 + 35 = 1820
Step 53: 1820 + 35 = 1855
Step 54: 1855 + 35 = 1890
Step 55: 1890 + 35 = 1925
Step 56: 1925 + 35 = 1960
Step 57: 1960 + 35 = 1995
Step 58: 1995 + 35 = 2030
Step 59: 2030 + 35 = 2065
Step 60: 2065 + 35 = 2100
Step 61: 2100 + 35 = 2135
Step 62: 2135 + 35 = 2170
Step 63: 2170 + 35 = 2205
Step 64: 2205 + 35 = 2240
Step 65: 2240 + 35 = 2275
Step 66: 2275 + 35 = 2310
Step 67: 2310 + 35 = 2345
Step 68: 2345 + 35 = 2380
Step 69: 2380 + 35 = 2415
Step 70: 2415 + 35 = 2450
Step 71: 2450 + 35 = 2485
Step 72: 2485 + 35 = 2520
Step 73: 2520 + 35 = 2555
Step 74: 2555 + 35 = 2590
Step 75: 2590 + 35 = 2625
Step 76: 2625 + 35 = 2660
Step 77: 2660 + 35 = 2695
Step 78: 2695 + 35 = 2730
Step 79: 2730 + 35 = 2765
Step 80: 2765 + 35 = 2800
Step 81: 2800 + 35 = 2835
Step 82: 2835 + 35 = 2870
Step 83: 2870 + 35 = 2905
Step 84: 2905 + 35 = 2940
Step 85: 2940 + 35 = 2975
Step 86: 2975 + 35 = 3010
Step 87: 3010 + 35 = 3045
Step 88: 3045 + 35 = 3080
Step 89: 3080 + 35 = 3115
Step 90: 3115 + 35 = 3150
Step 91: 3150 + 35 = 3185
Step 92: 3185 + 35 = 3220
Step 93: 3220 + 35 = 3255
Step 94: 3255 + 35 = 3290
Step 95: 3290 + 35 = 3325
Step 96: 3325 + 35 = 3360
Step 97: 3360 + 35 = 3395
Step 98: 3395 + 35 = 3430
Step 99: 3430 + 35 = 3465
Step 100: 3465 + 35 = 3500
Step 101: 3500 + 35 = 3535
Step 102: 3535 + 35 = 3570
Step 103: 3570 + 35 = 3605
Step 104: 3605 + 35 = 3640
Step 105: 3640 + 35 = 3675
Step 106: 3675 + 35 = 3710
Step 107: 3710 + 35 = 3745
Step 108: 3745 + 35 = 3780
Step 109: 3780 + 35 = 3815
Step 110: 3815 + 35 = 3850
Step 111: 3850 + 35 = 3885
Step 112: 3885 + 35 = 3920
Step 113: 3920 + 35 = 3955
Step 114: 3955 + 35 = 3990
Step 115: 3990 + 35 = 4025
Step 116: 4025 + 35 = 4060
Step 117: 4060 + 35 = 4095
Step 118: 4095 + 35 = 4130
Step 119: 4130 + 35 = 4165
Step 120: 4165 + 35 = 4200
Step 121: 4200 + 35 = 4235
Step 122: 4235 + 35 = 4270
Step 123: 4270 + 35 = 4305
Step 124: 4305 + 35 = 4340
Step 125: 4340 + 35 = 4375
Step 126: 4375 + 35 = 4410
Step 127: 4410 + 35 = 4445
Step 128: 4445 + 35 = 4480
Step 129: 4480 + 35 = 4515
Step 130: 4515 + 35 = 4550
Step 131: 4550 + 35 = 4585
Step 132: 4585 + 35 = 4620
Step 133: 4620 + 35 = 4655
Step 134: 4655 + 35 = 4690
Step 135: 4690 + 35 = 4725
Step 136: 4725 + 35 = 4760
Step 137: 4760 + 35 = 4795
Step 138: 4795 + 35 = 4830
Step 139: 4830 + 35 = 4865
Step 140: 4865 + 35 = 4900
Step 141: 4900 + 35 = 4935
Step 142: 4935 + 35 = 4970
Step 143: 4970 + 35 = 5005
Step 144: 5005 + 35 = 5040
Step 145: 5040 + 35 = 5075
Step 146: 5075 + 35 = 5110
Step 147: 5110 + 35 = 5145
Step 148: 5145 + 35 = 5180
Step 149: 5180 + 35 = 5215
Step 150: 5215 + 35 = 5250
Step 151: 5250 + 35 = 5285
Step 152: 5285 + 35 = 5320
Step 153: 5320 + 35 = 5355
Step 154: 5355 + 35 = 5390
Step 155: 5390 + 35 = 5425
Step 156: 5425 + 35 = 5460
Step 157: 5460 + 35 = 5495
Step 158: 5495 + 35 = 5530
Step 159: 5530 + 35 = 5565
Step 160: 5565 + 35 = 5600
Step 161: 5600 + 35 = 5635
Step 162: 5635 + 35 = 5670
Step 163: 5670 + 35 = 5705
Step 164: 5705 + 35 = 5740
Step 165: 5740 + 35 = 5775
Step 166: 5775 + 35 = 5810
Step 167: 5810 + 35 = 5845
Step 168: 5845 + 35 = 5880
Step 169: 5880 + 35 = 5915
Step 170: 5915 + 35 = 5950
Step 171: 5950 + 35 = 5985
Step 172: 5985 + 35 = 6020
Step 173: 6020 + 35 = 6055
Step 174: 6055 + 35 = 6090
Step 175: 6090 + 35 = 6125
Step 176: 6125 + 35 = 6160
Step 177: 6160 + 35 = 6195
Step 178: 6195 + 35 = 6230
Step 179: 6230 + 35 = 6265
Step 180: 6265 + 35 = 6300
Step 181: 6300 + 35 = 6335
Step 182: 6335 + 35 = 6370
Step 183: 6370 + 35 = 6405
Step 184: 6405 + 35 = 6440
Step 185: 6440 + 35 = 6475
Step 186: 6475 + 35 = 6510
Step 187: 6510 + 35 = 6545
Step 188: 6545 + 35 = 6580
Step 189: 6580 + 35 = 6615
Step 190: 6615 + 35 = 6650
Step 191: 6650 + 35 = 6685
Step 192: 6685 + 35 = 6720
Step 193: 6720 + 35 = 6755
Step 194: 6755 + 35 = 6790
Step 195: 6790 + 35 = 6825
Step 196: 6825 + 35 = 6860
Step 197: 6860 + 35 = 6895
Step 198: 6895 + 35 = 6930
Step 199: 6930 + 35 = 6965
Step 200: 6965 + 35 = 7000
Step 201: 7000 + 35 = 7035
Step 202: 7035 + 35 = 7070
Step 203: 7070 + 35 = 7105
Step 204: 7105 + 35 = 7140
Step 205: 7140 + 35 = 7175
Step 206: 7175 + 35 = 7210
Step 207: 7210 + 35 = 7245
Step 208: 7245 + 35 = 7280
Step 209: 7280 + 35 = 7315
Step 210: 7315 + 35 = 7350
Step 211: 7350 + 35 = 7385
Step 212: 7385 + 35 = 7420
Step 213: 7420 + 35 = 7455
Step 214: 7455 + 35 = 7490
Step 215: 7490 + 35 = 7525
Step 216: 7525 + 35 = 7560
Step 217: 7560 + 35 = 7595
Step 218: 7595 + 35 = 7630
Step 219: 7630 + 35 = 7665
Step 220: 7665 + 35 = 7700
Step 221: 7700 + 35 = 7735
Step 222: 7735 + 35 = 7770
Step 223: 7770 + 35 = 7805
Step 224: 7805 + 35 = 7840
Step 225: 7840 + 35 = 7875
Step 226: 7875 + 35 = 7910
Step 227: 7910 + 35 = 7945
Step 228: 7945 + 35 = 7980
Step 229: 7980 + 35 = 8015
Step 230: 8015 + 35 = 8050
Step 231: 8050 + 35 = 8085
Step 232: 8085 + 35 = 8120
Step 233: 8120 + 35 = 8155
Step 234: 8155 + 35 = 8190
Step 235: 8190 + 35 = 8225
Step 236: 8225 + 35 = 8260
Step 237: 8260 + 35 = 8295
Step 238: 8295 + 35 = 8330
Step 239: 8330 + 35 = 8365
Step 240: 8365 + 35 = 8400
Step 241: 8400 + 35 = 8435
Step 242: 8435 + 35 = 8470
Step 243: 8470 + 35 = 8505
Step 244: 8505 + 35 = 8540
Step 245: 8540 + 35 = 8575
Step 246: 8575 + 35 = 8610
Step 247: 8610 + 35 = 8645
Step 248: 8645 + 35 = 8680
Step 249: 8680 + 35 = 8715
Step 250: 8715 + 35 = 8750
Step 251: 8750 + 35 = 8785
Step 252: 8785 + 35 = 8820
Step 253: 8820 + 35 = 8855
Step 254: 8855 + 35 = 8890
Step 255: 8890 + 35 = 8925
Step 256: 8925 + 35 = 8960
Step 257: 8960 + 35 = 8995
Step 258: 8995 + 35 = 9030
Step 259: 9030 + 35 = 9065
Step 260: 9065 + 35 = 9100
Step 261: 9100 + 35 = 9135
Step 262: 9135 + 35 = 9170
Step 263: 9170 + 35 = 9205
Step 264: 9205 + 35 = 9240
Step 265: 9240 + 35 = 9275
Step 266: 9275 + 35 = 9310
Step 267: 9310 + 35 = 9345
Step 268: 9345 + 35 = 9380
Step 269: 9380 + 35 = 9415
Step 270: 9415 + 35 = 9450
Step 271: 9450 + 35 = 9485
Step 272: 9485 + 35 = 9520
Step 273: 9520 + 35 = 9555
Step 274: 9555 + 35 = 9590
Step 275: 9590 + 35 = 9625
Step 276: 9625 + 35 = 9660
Step 277: 9660 + 35 = 9695
Step 278: 9695 + 35 = 9730
Step 279: 9730 + 35 = 9765
Step 280: 9765 + 35 = 9800
Step 281: 9800 + 35 = 9835
Step 282: 9835 + 35 = 9870
Step 283: 9870 + 35 = 9905
Step 284: 9905 + 35 = 9940
Step 285: 9940 + 35 = 9975
Step 286: 9975 + 35 = 10010
Step 287: 10010 + 35 = 10045
Step 288: 10045 + 35 = 10080
Step 289: 10080 + 35 = 10115
Step 290: 10115 + 35 = 10150
Step 291: 10150 + 35 = 10185
Step 292: 10185 + 35 = 10220
Step 293: 10220 + 35 = 10255
Step 294: 10255 + 35 = 10290
Step 295: 10290 + 35 = 10325
Step 296: 10325 + 35 = 10360
Step 297: 10360 + 35 = 10395
Step 298: 10395 + 35 = 10430
Step 299: 10430 + 35 = 10465
Step 300: 10465 + 35 = 10500
Step 301: 10500 + 35 = 10535
Step 302: 10535 + 35 = 10570
Step 303: 10570 + 35 = 10605
Step 304: 10605 + 35 = 10640
Step 305: 10640 + 35 = 10675
Step 306: 10675 + 35 = 10710
Step 307: 10710 + 35 = 10745
Step 308: 10745 + 35 = 10780
Step 309: 10780 + 35 = 10815
Step 310: 10815 + 35 = 10850
Step 311: 10850 + 35 = 10885
Step 312: 10885 + 35 = 10920
Step 313: 10920 + 35 = 10955
Step 314: 10955 + 35 = 10990
Step 315: 10990 + 35 = 11025
Step 316: 11025 + 35 = 11060
Step 317: 11060 + 35 = 11095
Step 318: 11095 + 35 = 11130
Step 319: 11130 + 35 = 11165
Step 320: 11165 + 35 = 11200
Step 321: 11200 + 35 = 11235
Step 322: 11235 + 35 = 11270
Step 323: 11270 + 35 = 11305
Step 324: 11305 + 35 = 11340
Step 325: 11340 + 35 = 11375
Step 326: 11375 + 35 = 11410
Step 327: 11410 + 35 = 11445
Step 328: 11445 + 35 = 11480
Step 329: 11480 + 35 = 11515
Step 330: 11515 + 35 = 11550
Step 331: 11550 + 35 = 11585
Step 332: 11585 + 35 = 11620
Step 333: 11620 + 35 = 11655
Step 334: 11655 + 35 = 11690
Step 335: 11690 + 35 = 11725
Step 336: 11725 + 35 = 11760
Step 337: 11760 + 35 = 11795
Step 338: 11795 + 35 = 11830
Step 339: 11830 + 35 = 11865

So, 35*339 = 11865