Without delay, let's solve this. We've got 64 and we will be multiplying it by 371, that is, adding 64 to itself 371 times.
Step 1: 0 + 64 = 64
Step 2: 64 + 64 = 128
Step 3: 128 + 64 = 192
Step 4: 192 + 64 = 256
Step 5: 256 + 64 = 320
Step 6: 320 + 64 = 384
Step 7: 384 + 64 = 448
Step 8: 448 + 64 = 512
Step 9: 512 + 64 = 576
Step 10: 576 + 64 = 640
Step 11: 640 + 64 = 704
Step 12: 704 + 64 = 768
Step 13: 768 + 64 = 832
Step 14: 832 + 64 = 896
Step 15: 896 + 64 = 960
Step 16: 960 + 64 = 1024
Step 17: 1024 + 64 = 1088
Step 18: 1088 + 64 = 1152
Step 19: 1152 + 64 = 1216
Step 20: 1216 + 64 = 1280
Step 21: 1280 + 64 = 1344
Step 22: 1344 + 64 = 1408
Step 23: 1408 + 64 = 1472
Step 24: 1472 + 64 = 1536
Step 25: 1536 + 64 = 1600
Step 26: 1600 + 64 = 1664
Step 27: 1664 + 64 = 1728
Step 28: 1728 + 64 = 1792
Step 29: 1792 + 64 = 1856
Step 30: 1856 + 64 = 1920
Step 31: 1920 + 64 = 1984
Step 32: 1984 + 64 = 2048
Step 33: 2048 + 64 = 2112
Step 34: 2112 + 64 = 2176
Step 35: 2176 + 64 = 2240
Step 36: 2240 + 64 = 2304
Step 37: 2304 + 64 = 2368
Step 38: 2368 + 64 = 2432
Step 39: 2432 + 64 = 2496
Step 40: 2496 + 64 = 2560
Step 41: 2560 + 64 = 2624
Step 42: 2624 + 64 = 2688
Step 43: 2688 + 64 = 2752
Step 44: 2752 + 64 = 2816
Step 45: 2816 + 64 = 2880
Step 46: 2880 + 64 = 2944
Step 47: 2944 + 64 = 3008
Step 48: 3008 + 64 = 3072
Step 49: 3072 + 64 = 3136
Step 50: 3136 + 64 = 3200
Step 51: 3200 + 64 = 3264
Step 52: 3264 + 64 = 3328
Step 53: 3328 + 64 = 3392
Step 54: 3392 + 64 = 3456
Step 55: 3456 + 64 = 3520
Step 56: 3520 + 64 = 3584
Step 57: 3584 + 64 = 3648
Step 58: 3648 + 64 = 3712
Step 59: 3712 + 64 = 3776
Step 60: 3776 + 64 = 3840
Step 61: 3840 + 64 = 3904
Step 62: 3904 + 64 = 3968
Step 63: 3968 + 64 = 4032
Step 64: 4032 + 64 = 4096
Step 65: 4096 + 64 = 4160
Step 66: 4160 + 64 = 4224
Step 67: 4224 + 64 = 4288
Step 68: 4288 + 64 = 4352
Step 69: 4352 + 64 = 4416
Step 70: 4416 + 64 = 4480
Step 71: 4480 + 64 = 4544
Step 72: 4544 + 64 = 4608
Step 73: 4608 + 64 = 4672
Step 74: 4672 + 64 = 4736
Step 75: 4736 + 64 = 4800
Step 76: 4800 + 64 = 4864
Step 77: 4864 + 64 = 4928
Step 78: 4928 + 64 = 4992
Step 79: 4992 + 64 = 5056
Step 80: 5056 + 64 = 5120
Step 81: 5120 + 64 = 5184
Step 82: 5184 + 64 = 5248
Step 83: 5248 + 64 = 5312
Step 84: 5312 + 64 = 5376
Step 85: 5376 + 64 = 5440
Step 86: 5440 + 64 = 5504
Step 87: 5504 + 64 = 5568
Step 88: 5568 + 64 = 5632
Step 89: 5632 + 64 = 5696
Step 90: 5696 + 64 = 5760
Step 91: 5760 + 64 = 5824
Step 92: 5824 + 64 = 5888
Step 93: 5888 + 64 = 5952
Step 94: 5952 + 64 = 6016
Step 95: 6016 + 64 = 6080
Step 96: 6080 + 64 = 6144
Step 97: 6144 + 64 = 6208
Step 98: 6208 + 64 = 6272
Step 99: 6272 + 64 = 6336
Step 100: 6336 + 64 = 6400
Step 101: 6400 + 64 = 6464
Step 102: 6464 + 64 = 6528
Step 103: 6528 + 64 = 6592
Step 104: 6592 + 64 = 6656
Step 105: 6656 + 64 = 6720
Step 106: 6720 + 64 = 6784
Step 107: 6784 + 64 = 6848
Step 108: 6848 + 64 = 6912
Step 109: 6912 + 64 = 6976
Step 110: 6976 + 64 = 7040
Step 111: 7040 + 64 = 7104
Step 112: 7104 + 64 = 7168
Step 113: 7168 + 64 = 7232
Step 114: 7232 + 64 = 7296
Step 115: 7296 + 64 = 7360
Step 116: 7360 + 64 = 7424
Step 117: 7424 + 64 = 7488
Step 118: 7488 + 64 = 7552
Step 119: 7552 + 64 = 7616
Step 120: 7616 + 64 = 7680
Step 121: 7680 + 64 = 7744
Step 122: 7744 + 64 = 7808
Step 123: 7808 + 64 = 7872
Step 124: 7872 + 64 = 7936
Step 125: 7936 + 64 = 8000
Step 126: 8000 + 64 = 8064
Step 127: 8064 + 64 = 8128
Step 128: 8128 + 64 = 8192
Step 129: 8192 + 64 = 8256
Step 130: 8256 + 64 = 8320
Step 131: 8320 + 64 = 8384
Step 132: 8384 + 64 = 8448
Step 133: 8448 + 64 = 8512
Step 134: 8512 + 64 = 8576
Step 135: 8576 + 64 = 8640
Step 136: 8640 + 64 = 8704
Step 137: 8704 + 64 = 8768
Step 138: 8768 + 64 = 8832
Step 139: 8832 + 64 = 8896
Step 140: 8896 + 64 = 8960
Step 141: 8960 + 64 = 9024
Step 142: 9024 + 64 = 9088
Step 143: 9088 + 64 = 9152
Step 144: 9152 + 64 = 9216
Step 145: 9216 + 64 = 9280
Step 146: 9280 + 64 = 9344
Step 147: 9344 + 64 = 9408
Step 148: 9408 + 64 = 9472
Step 149: 9472 + 64 = 9536
Step 150: 9536 + 64 = 9600
Step 151: 9600 + 64 = 9664
Step 152: 9664 + 64 = 9728
Step 153: 9728 + 64 = 9792
Step 154: 9792 + 64 = 9856
Step 155: 9856 + 64 = 9920
Step 156: 9920 + 64 = 9984
Step 157: 9984 + 64 = 10048
Step 158: 10048 + 64 = 10112
Step 159: 10112 + 64 = 10176
Step 160: 10176 + 64 = 10240
Step 161: 10240 + 64 = 10304
Step 162: 10304 + 64 = 10368
Step 163: 10368 + 64 = 10432
Step 164: 10432 + 64 = 10496
Step 165: 10496 + 64 = 10560
Step 166: 10560 + 64 = 10624
Step 167: 10624 + 64 = 10688
Step 168: 10688 + 64 = 10752
Step 169: 10752 + 64 = 10816
Step 170: 10816 + 64 = 10880
Step 171: 10880 + 64 = 10944
Step 172: 10944 + 64 = 11008
Step 173: 11008 + 64 = 11072
Step 174: 11072 + 64 = 11136
Step 175: 11136 + 64 = 11200
Step 176: 11200 + 64 = 11264
Step 177: 11264 + 64 = 11328
Step 178: 11328 + 64 = 11392
Step 179: 11392 + 64 = 11456
Step 180: 11456 + 64 = 11520
Step 181: 11520 + 64 = 11584
Step 182: 11584 + 64 = 11648
Step 183: 11648 + 64 = 11712
Step 184: 11712 + 64 = 11776
Step 185: 11776 + 64 = 11840
Step 186: 11840 + 64 = 11904
Step 187: 11904 + 64 = 11968
Step 188: 11968 + 64 = 12032
Step 189: 12032 + 64 = 12096
Step 190: 12096 + 64 = 12160
Step 191: 12160 + 64 = 12224
Step 192: 12224 + 64 = 12288
Step 193: 12288 + 64 = 12352
Step 194: 12352 + 64 = 12416
Step 195: 12416 + 64 = 12480
Step 196: 12480 + 64 = 12544
Step 197: 12544 + 64 = 12608
Step 198: 12608 + 64 = 12672
Step 199: 12672 + 64 = 12736
Step 200: 12736 + 64 = 12800
Step 201: 12800 + 64 = 12864
Step 202: 12864 + 64 = 12928
Step 203: 12928 + 64 = 12992
Step 204: 12992 + 64 = 13056
Step 205: 13056 + 64 = 13120
Step 206: 13120 + 64 = 13184
Step 207: 13184 + 64 = 13248
Step 208: 13248 + 64 = 13312
Step 209: 13312 + 64 = 13376
Step 210: 13376 + 64 = 13440
Step 211: 13440 + 64 = 13504
Step 212: 13504 + 64 = 13568
Step 213: 13568 + 64 = 13632
Step 214: 13632 + 64 = 13696
Step 215: 13696 + 64 = 13760
Step 216: 13760 + 64 = 13824
Step 217: 13824 + 64 = 13888
Step 218: 13888 + 64 = 13952
Step 219: 13952 + 64 = 14016
Step 220: 14016 + 64 = 14080
Step 221: 14080 + 64 = 14144
Step 222: 14144 + 64 = 14208
Step 223: 14208 + 64 = 14272
Step 224: 14272 + 64 = 14336
Step 225: 14336 + 64 = 14400
Step 226: 14400 + 64 = 14464
Step 227: 14464 + 64 = 14528
Step 228: 14528 + 64 = 14592
Step 229: 14592 + 64 = 14656
Step 230: 14656 + 64 = 14720
Step 231: 14720 + 64 = 14784
Step 232: 14784 + 64 = 14848
Step 233: 14848 + 64 = 14912
Step 234: 14912 + 64 = 14976
Step 235: 14976 + 64 = 15040
Step 236: 15040 + 64 = 15104
Step 237: 15104 + 64 = 15168
Step 238: 15168 + 64 = 15232
Step 239: 15232 + 64 = 15296
Step 240: 15296 + 64 = 15360
Step 241: 15360 + 64 = 15424
Step 242: 15424 + 64 = 15488
Step 243: 15488 + 64 = 15552
Step 244: 15552 + 64 = 15616
Step 245: 15616 + 64 = 15680
Step 246: 15680 + 64 = 15744
Step 247: 15744 + 64 = 15808
Step 248: 15808 + 64 = 15872
Step 249: 15872 + 64 = 15936
Step 250: 15936 + 64 = 16000
Step 251: 16000 + 64 = 16064
Step 252: 16064 + 64 = 16128
Step 253: 16128 + 64 = 16192
Step 254: 16192 + 64 = 16256
Step 255: 16256 + 64 = 16320
Step 256: 16320 + 64 = 16384
Step 257: 16384 + 64 = 16448
Step 258: 16448 + 64 = 16512
Step 259: 16512 + 64 = 16576
Step 260: 16576 + 64 = 16640
Step 261: 16640 + 64 = 16704
Step 262: 16704 + 64 = 16768
Step 263: 16768 + 64 = 16832
Step 264: 16832 + 64 = 16896
Step 265: 16896 + 64 = 16960
Step 266: 16960 + 64 = 17024
Step 267: 17024 + 64 = 17088
Step 268: 17088 + 64 = 17152
Step 269: 17152 + 64 = 17216
Step 270: 17216 + 64 = 17280
Step 271: 17280 + 64 = 17344
Step 272: 17344 + 64 = 17408
Step 273: 17408 + 64 = 17472
Step 274: 17472 + 64 = 17536
Step 275: 17536 + 64 = 17600
Step 276: 17600 + 64 = 17664
Step 277: 17664 + 64 = 17728
Step 278: 17728 + 64 = 17792
Step 279: 17792 + 64 = 17856
Step 280: 17856 + 64 = 17920
Step 281: 17920 + 64 = 17984
Step 282: 17984 + 64 = 18048
Step 283: 18048 + 64 = 18112
Step 284: 18112 + 64 = 18176
Step 285: 18176 + 64 = 18240
Step 286: 18240 + 64 = 18304
Step 287: 18304 + 64 = 18368
Step 288: 18368 + 64 = 18432
Step 289: 18432 + 64 = 18496
Step 290: 18496 + 64 = 18560
Step 291: 18560 + 64 = 18624
Step 292: 18624 + 64 = 18688
Step 293: 18688 + 64 = 18752
Step 294: 18752 + 64 = 18816
Step 295: 18816 + 64 = 18880
Step 296: 18880 + 64 = 18944
Step 297: 18944 + 64 = 19008
Step 298: 19008 + 64 = 19072
Step 299: 19072 + 64 = 19136
Step 300: 19136 + 64 = 19200
Step 301: 19200 + 64 = 19264
Step 302: 19264 + 64 = 19328
Step 303: 19328 + 64 = 19392
Step 304: 19392 + 64 = 19456
Step 305: 19456 + 64 = 19520
Step 306: 19520 + 64 = 19584
Step 307: 19584 + 64 = 19648
Step 308: 19648 + 64 = 19712
Step 309: 19712 + 64 = 19776
Step 310: 19776 + 64 = 19840
Step 311: 19840 + 64 = 19904
Step 312: 19904 + 64 = 19968
Step 313: 19968 + 64 = 20032
Step 314: 20032 + 64 = 20096
Step 315: 20096 + 64 = 20160
Step 316: 20160 + 64 = 20224
Step 317: 20224 + 64 = 20288
Step 318: 20288 + 64 = 20352
Step 319: 20352 + 64 = 20416
Step 320: 20416 + 64 = 20480
Step 321: 20480 + 64 = 20544
Step 322: 20544 + 64 = 20608
Step 323: 20608 + 64 = 20672
Step 324: 20672 + 64 = 20736
Step 325: 20736 + 64 = 20800
Step 326: 20800 + 64 = 20864
Step 327: 20864 + 64 = 20928
Step 328: 20928 + 64 = 20992
Step 329: 20992 + 64 = 21056
Step 330: 21056 + 64 = 21120
Step 331: 21120 + 64 = 21184
Step 332: 21184 + 64 = 21248
Step 333: 21248 + 64 = 21312
Step 334: 21312 + 64 = 21376
Step 335: 21376 + 64 = 21440
Step 336: 21440 + 64 = 21504
Step 337: 21504 + 64 = 21568
Step 338: 21568 + 64 = 21632
Step 339: 21632 + 64 = 21696
Step 340: 21696 + 64 = 21760
Step 341: 21760 + 64 = 21824
Step 342: 21824 + 64 = 21888
Step 343: 21888 + 64 = 21952
Step 344: 21952 + 64 = 22016
Step 345: 22016 + 64 = 22080
Step 346: 22080 + 64 = 22144
Step 347: 22144 + 64 = 22208
Step 348: 22208 + 64 = 22272
Step 349: 22272 + 64 = 22336
Step 350: 22336 + 64 = 22400
Step 351: 22400 + 64 = 22464
Step 352: 22464 + 64 = 22528
Step 353: 22528 + 64 = 22592
Step 354: 22592 + 64 = 22656
Step 355: 22656 + 64 = 22720
Step 356: 22720 + 64 = 22784
Step 357: 22784 + 64 = 22848
Step 358: 22848 + 64 = 22912
Step 359: 22912 + 64 = 22976
Step 360: 22976 + 64 = 23040
Step 361: 23040 + 64 = 23104
Step 362: 23104 + 64 = 23168
Step 363: 23168 + 64 = 23232
Step 364: 23232 + 64 = 23296
Step 365: 23296 + 64 = 23360
Step 366: 23360 + 64 = 23424
Step 367: 23424 + 64 = 23488
Step 368: 23488 + 64 = 23552
Step 369: 23552 + 64 = 23616
Step 370: 23616 + 64 = 23680
Step 371: 23680 + 64 = 23744

So, 64*371 = 23744