Let's get this math done. We have 40 and we're going to multiply it by 488. This is the same as taking 40 and adding it to itself 488 times.
Step 1: 0 + 40 = 40
Step 2: 40 + 40 = 80
Step 3: 80 + 40 = 120
Step 4: 120 + 40 = 160
Step 5: 160 + 40 = 200
Step 6: 200 + 40 = 240
Step 7: 240 + 40 = 280
Step 8: 280 + 40 = 320
Step 9: 320 + 40 = 360
Step 10: 360 + 40 = 400
Step 11: 400 + 40 = 440
Step 12: 440 + 40 = 480
Step 13: 480 + 40 = 520
Step 14: 520 + 40 = 560
Step 15: 560 + 40 = 600
Step 16: 600 + 40 = 640
Step 17: 640 + 40 = 680
Step 18: 680 + 40 = 720
Step 19: 720 + 40 = 760
Step 20: 760 + 40 = 800
Step 21: 800 + 40 = 840
Step 22: 840 + 40 = 880
Step 23: 880 + 40 = 920
Step 24: 920 + 40 = 960
Step 25: 960 + 40 = 1000
Step 26: 1000 + 40 = 1040
Step 27: 1040 + 40 = 1080
Step 28: 1080 + 40 = 1120
Step 29: 1120 + 40 = 1160
Step 30: 1160 + 40 = 1200
Step 31: 1200 + 40 = 1240
Step 32: 1240 + 40 = 1280
Step 33: 1280 + 40 = 1320
Step 34: 1320 + 40 = 1360
Step 35: 1360 + 40 = 1400
Step 36: 1400 + 40 = 1440
Step 37: 1440 + 40 = 1480
Step 38: 1480 + 40 = 1520
Step 39: 1520 + 40 = 1560
Step 40: 1560 + 40 = 1600
Step 41: 1600 + 40 = 1640
Step 42: 1640 + 40 = 1680
Step 43: 1680 + 40 = 1720
Step 44: 1720 + 40 = 1760
Step 45: 1760 + 40 = 1800
Step 46: 1800 + 40 = 1840
Step 47: 1840 + 40 = 1880
Step 48: 1880 + 40 = 1920
Step 49: 1920 + 40 = 1960
Step 50: 1960 + 40 = 2000
Step 51: 2000 + 40 = 2040
Step 52: 2040 + 40 = 2080
Step 53: 2080 + 40 = 2120
Step 54: 2120 + 40 = 2160
Step 55: 2160 + 40 = 2200
Step 56: 2200 + 40 = 2240
Step 57: 2240 + 40 = 2280
Step 58: 2280 + 40 = 2320
Step 59: 2320 + 40 = 2360
Step 60: 2360 + 40 = 2400
Step 61: 2400 + 40 = 2440
Step 62: 2440 + 40 = 2480
Step 63: 2480 + 40 = 2520
Step 64: 2520 + 40 = 2560
Step 65: 2560 + 40 = 2600
Step 66: 2600 + 40 = 2640
Step 67: 2640 + 40 = 2680
Step 68: 2680 + 40 = 2720
Step 69: 2720 + 40 = 2760
Step 70: 2760 + 40 = 2800
Step 71: 2800 + 40 = 2840
Step 72: 2840 + 40 = 2880
Step 73: 2880 + 40 = 2920
Step 74: 2920 + 40 = 2960
Step 75: 2960 + 40 = 3000
Step 76: 3000 + 40 = 3040
Step 77: 3040 + 40 = 3080
Step 78: 3080 + 40 = 3120
Step 79: 3120 + 40 = 3160
Step 80: 3160 + 40 = 3200
Step 81: 3200 + 40 = 3240
Step 82: 3240 + 40 = 3280
Step 83: 3280 + 40 = 3320
Step 84: 3320 + 40 = 3360
Step 85: 3360 + 40 = 3400
Step 86: 3400 + 40 = 3440
Step 87: 3440 + 40 = 3480
Step 88: 3480 + 40 = 3520
Step 89: 3520 + 40 = 3560
Step 90: 3560 + 40 = 3600
Step 91: 3600 + 40 = 3640
Step 92: 3640 + 40 = 3680
Step 93: 3680 + 40 = 3720
Step 94: 3720 + 40 = 3760
Step 95: 3760 + 40 = 3800
Step 96: 3800 + 40 = 3840
Step 97: 3840 + 40 = 3880
Step 98: 3880 + 40 = 3920
Step 99: 3920 + 40 = 3960
Step 100: 3960 + 40 = 4000
Step 101: 4000 + 40 = 4040
Step 102: 4040 + 40 = 4080
Step 103: 4080 + 40 = 4120
Step 104: 4120 + 40 = 4160
Step 105: 4160 + 40 = 4200
Step 106: 4200 + 40 = 4240
Step 107: 4240 + 40 = 4280
Step 108: 4280 + 40 = 4320
Step 109: 4320 + 40 = 4360
Step 110: 4360 + 40 = 4400
Step 111: 4400 + 40 = 4440
Step 112: 4440 + 40 = 4480
Step 113: 4480 + 40 = 4520
Step 114: 4520 + 40 = 4560
Step 115: 4560 + 40 = 4600
Step 116: 4600 + 40 = 4640
Step 117: 4640 + 40 = 4680
Step 118: 4680 + 40 = 4720
Step 119: 4720 + 40 = 4760
Step 120: 4760 + 40 = 4800
Step 121: 4800 + 40 = 4840
Step 122: 4840 + 40 = 4880
Step 123: 4880 + 40 = 4920
Step 124: 4920 + 40 = 4960
Step 125: 4960 + 40 = 5000
Step 126: 5000 + 40 = 5040
Step 127: 5040 + 40 = 5080
Step 128: 5080 + 40 = 5120
Step 129: 5120 + 40 = 5160
Step 130: 5160 + 40 = 5200
Step 131: 5200 + 40 = 5240
Step 132: 5240 + 40 = 5280
Step 133: 5280 + 40 = 5320
Step 134: 5320 + 40 = 5360
Step 135: 5360 + 40 = 5400
Step 136: 5400 + 40 = 5440
Step 137: 5440 + 40 = 5480
Step 138: 5480 + 40 = 5520
Step 139: 5520 + 40 = 5560
Step 140: 5560 + 40 = 5600
Step 141: 5600 + 40 = 5640
Step 142: 5640 + 40 = 5680
Step 143: 5680 + 40 = 5720
Step 144: 5720 + 40 = 5760
Step 145: 5760 + 40 = 5800
Step 146: 5800 + 40 = 5840
Step 147: 5840 + 40 = 5880
Step 148: 5880 + 40 = 5920
Step 149: 5920 + 40 = 5960
Step 150: 5960 + 40 = 6000
Step 151: 6000 + 40 = 6040
Step 152: 6040 + 40 = 6080
Step 153: 6080 + 40 = 6120
Step 154: 6120 + 40 = 6160
Step 155: 6160 + 40 = 6200
Step 156: 6200 + 40 = 6240
Step 157: 6240 + 40 = 6280
Step 158: 6280 + 40 = 6320
Step 159: 6320 + 40 = 6360
Step 160: 6360 + 40 = 6400
Step 161: 6400 + 40 = 6440
Step 162: 6440 + 40 = 6480
Step 163: 6480 + 40 = 6520
Step 164: 6520 + 40 = 6560
Step 165: 6560 + 40 = 6600
Step 166: 6600 + 40 = 6640
Step 167: 6640 + 40 = 6680
Step 168: 6680 + 40 = 6720
Step 169: 6720 + 40 = 6760
Step 170: 6760 + 40 = 6800
Step 171: 6800 + 40 = 6840
Step 172: 6840 + 40 = 6880
Step 173: 6880 + 40 = 6920
Step 174: 6920 + 40 = 6960
Step 175: 6960 + 40 = 7000
Step 176: 7000 + 40 = 7040
Step 177: 7040 + 40 = 7080
Step 178: 7080 + 40 = 7120
Step 179: 7120 + 40 = 7160
Step 180: 7160 + 40 = 7200
Step 181: 7200 + 40 = 7240
Step 182: 7240 + 40 = 7280
Step 183: 7280 + 40 = 7320
Step 184: 7320 + 40 = 7360
Step 185: 7360 + 40 = 7400
Step 186: 7400 + 40 = 7440
Step 187: 7440 + 40 = 7480
Step 188: 7480 + 40 = 7520
Step 189: 7520 + 40 = 7560
Step 190: 7560 + 40 = 7600
Step 191: 7600 + 40 = 7640
Step 192: 7640 + 40 = 7680
Step 193: 7680 + 40 = 7720
Step 194: 7720 + 40 = 7760
Step 195: 7760 + 40 = 7800
Step 196: 7800 + 40 = 7840
Step 197: 7840 + 40 = 7880
Step 198: 7880 + 40 = 7920
Step 199: 7920 + 40 = 7960
Step 200: 7960 + 40 = 8000
Step 201: 8000 + 40 = 8040
Step 202: 8040 + 40 = 8080
Step 203: 8080 + 40 = 8120
Step 204: 8120 + 40 = 8160
Step 205: 8160 + 40 = 8200
Step 206: 8200 + 40 = 8240
Step 207: 8240 + 40 = 8280
Step 208: 8280 + 40 = 8320
Step 209: 8320 + 40 = 8360
Step 210: 8360 + 40 = 8400
Step 211: 8400 + 40 = 8440
Step 212: 8440 + 40 = 8480
Step 213: 8480 + 40 = 8520
Step 214: 8520 + 40 = 8560
Step 215: 8560 + 40 = 8600
Step 216: 8600 + 40 = 8640
Step 217: 8640 + 40 = 8680
Step 218: 8680 + 40 = 8720
Step 219: 8720 + 40 = 8760
Step 220: 8760 + 40 = 8800
Step 221: 8800 + 40 = 8840
Step 222: 8840 + 40 = 8880
Step 223: 8880 + 40 = 8920
Step 224: 8920 + 40 = 8960
Step 225: 8960 + 40 = 9000
Step 226: 9000 + 40 = 9040
Step 227: 9040 + 40 = 9080
Step 228: 9080 + 40 = 9120
Step 229: 9120 + 40 = 9160
Step 230: 9160 + 40 = 9200
Step 231: 9200 + 40 = 9240
Step 232: 9240 + 40 = 9280
Step 233: 9280 + 40 = 9320
Step 234: 9320 + 40 = 9360
Step 235: 9360 + 40 = 9400
Step 236: 9400 + 40 = 9440
Step 237: 9440 + 40 = 9480
Step 238: 9480 + 40 = 9520
Step 239: 9520 + 40 = 9560
Step 240: 9560 + 40 = 9600
Step 241: 9600 + 40 = 9640
Step 242: 9640 + 40 = 9680
Step 243: 9680 + 40 = 9720
Step 244: 9720 + 40 = 9760
Step 245: 9760 + 40 = 9800
Step 246: 9800 + 40 = 9840
Step 247: 9840 + 40 = 9880
Step 248: 9880 + 40 = 9920
Step 249: 9920 + 40 = 9960
Step 250: 9960 + 40 = 10000
Step 251: 10000 + 40 = 10040
Step 252: 10040 + 40 = 10080
Step 253: 10080 + 40 = 10120
Step 254: 10120 + 40 = 10160
Step 255: 10160 + 40 = 10200
Step 256: 10200 + 40 = 10240
Step 257: 10240 + 40 = 10280
Step 258: 10280 + 40 = 10320
Step 259: 10320 + 40 = 10360
Step 260: 10360 + 40 = 10400
Step 261: 10400 + 40 = 10440
Step 262: 10440 + 40 = 10480
Step 263: 10480 + 40 = 10520
Step 264: 10520 + 40 = 10560
Step 265: 10560 + 40 = 10600
Step 266: 10600 + 40 = 10640
Step 267: 10640 + 40 = 10680
Step 268: 10680 + 40 = 10720
Step 269: 10720 + 40 = 10760
Step 270: 10760 + 40 = 10800
Step 271: 10800 + 40 = 10840
Step 272: 10840 + 40 = 10880
Step 273: 10880 + 40 = 10920
Step 274: 10920 + 40 = 10960
Step 275: 10960 + 40 = 11000
Step 276: 11000 + 40 = 11040
Step 277: 11040 + 40 = 11080
Step 278: 11080 + 40 = 11120
Step 279: 11120 + 40 = 11160
Step 280: 11160 + 40 = 11200
Step 281: 11200 + 40 = 11240
Step 282: 11240 + 40 = 11280
Step 283: 11280 + 40 = 11320
Step 284: 11320 + 40 = 11360
Step 285: 11360 + 40 = 11400
Step 286: 11400 + 40 = 11440
Step 287: 11440 + 40 = 11480
Step 288: 11480 + 40 = 11520
Step 289: 11520 + 40 = 11560
Step 290: 11560 + 40 = 11600
Step 291: 11600 + 40 = 11640
Step 292: 11640 + 40 = 11680
Step 293: 11680 + 40 = 11720
Step 294: 11720 + 40 = 11760
Step 295: 11760 + 40 = 11800
Step 296: 11800 + 40 = 11840
Step 297: 11840 + 40 = 11880
Step 298: 11880 + 40 = 11920
Step 299: 11920 + 40 = 11960
Step 300: 11960 + 40 = 12000
Step 301: 12000 + 40 = 12040
Step 302: 12040 + 40 = 12080
Step 303: 12080 + 40 = 12120
Step 304: 12120 + 40 = 12160
Step 305: 12160 + 40 = 12200
Step 306: 12200 + 40 = 12240
Step 307: 12240 + 40 = 12280
Step 308: 12280 + 40 = 12320
Step 309: 12320 + 40 = 12360
Step 310: 12360 + 40 = 12400
Step 311: 12400 + 40 = 12440
Step 312: 12440 + 40 = 12480
Step 313: 12480 + 40 = 12520
Step 314: 12520 + 40 = 12560
Step 315: 12560 + 40 = 12600
Step 316: 12600 + 40 = 12640
Step 317: 12640 + 40 = 12680
Step 318: 12680 + 40 = 12720
Step 319: 12720 + 40 = 12760
Step 320: 12760 + 40 = 12800
Step 321: 12800 + 40 = 12840
Step 322: 12840 + 40 = 12880
Step 323: 12880 + 40 = 12920
Step 324: 12920 + 40 = 12960
Step 325: 12960 + 40 = 13000
Step 326: 13000 + 40 = 13040
Step 327: 13040 + 40 = 13080
Step 328: 13080 + 40 = 13120
Step 329: 13120 + 40 = 13160
Step 330: 13160 + 40 = 13200
Step 331: 13200 + 40 = 13240
Step 332: 13240 + 40 = 13280
Step 333: 13280 + 40 = 13320
Step 334: 13320 + 40 = 13360
Step 335: 13360 + 40 = 13400
Step 336: 13400 + 40 = 13440
Step 337: 13440 + 40 = 13480
Step 338: 13480 + 40 = 13520
Step 339: 13520 + 40 = 13560
Step 340: 13560 + 40 = 13600
Step 341: 13600 + 40 = 13640
Step 342: 13640 + 40 = 13680
Step 343: 13680 + 40 = 13720
Step 344: 13720 + 40 = 13760
Step 345: 13760 + 40 = 13800
Step 346: 13800 + 40 = 13840
Step 347: 13840 + 40 = 13880
Step 348: 13880 + 40 = 13920
Step 349: 13920 + 40 = 13960
Step 350: 13960 + 40 = 14000
Step 351: 14000 + 40 = 14040
Step 352: 14040 + 40 = 14080
Step 353: 14080 + 40 = 14120
Step 354: 14120 + 40 = 14160
Step 355: 14160 + 40 = 14200
Step 356: 14200 + 40 = 14240
Step 357: 14240 + 40 = 14280
Step 358: 14280 + 40 = 14320
Step 359: 14320 + 40 = 14360
Step 360: 14360 + 40 = 14400
Step 361: 14400 + 40 = 14440
Step 362: 14440 + 40 = 14480
Step 363: 14480 + 40 = 14520
Step 364: 14520 + 40 = 14560
Step 365: 14560 + 40 = 14600
Step 366: 14600 + 40 = 14640
Step 367: 14640 + 40 = 14680
Step 368: 14680 + 40 = 14720
Step 369: 14720 + 40 = 14760
Step 370: 14760 + 40 = 14800
Step 371: 14800 + 40 = 14840
Step 372: 14840 + 40 = 14880
Step 373: 14880 + 40 = 14920
Step 374: 14920 + 40 = 14960
Step 375: 14960 + 40 = 15000
Step 376: 15000 + 40 = 15040
Step 377: 15040 + 40 = 15080
Step 378: 15080 + 40 = 15120
Step 379: 15120 + 40 = 15160
Step 380: 15160 + 40 = 15200
Step 381: 15200 + 40 = 15240
Step 382: 15240 + 40 = 15280
Step 383: 15280 + 40 = 15320
Step 384: 15320 + 40 = 15360
Step 385: 15360 + 40 = 15400
Step 386: 15400 + 40 = 15440
Step 387: 15440 + 40 = 15480
Step 388: 15480 + 40 = 15520
Step 389: 15520 + 40 = 15560
Step 390: 15560 + 40 = 15600
Step 391: 15600 + 40 = 15640
Step 392: 15640 + 40 = 15680
Step 393: 15680 + 40 = 15720
Step 394: 15720 + 40 = 15760
Step 395: 15760 + 40 = 15800
Step 396: 15800 + 40 = 15840
Step 397: 15840 + 40 = 15880
Step 398: 15880 + 40 = 15920
Step 399: 15920 + 40 = 15960
Step 400: 15960 + 40 = 16000
Step 401: 16000 + 40 = 16040
Step 402: 16040 + 40 = 16080
Step 403: 16080 + 40 = 16120
Step 404: 16120 + 40 = 16160
Step 405: 16160 + 40 = 16200
Step 406: 16200 + 40 = 16240
Step 407: 16240 + 40 = 16280
Step 408: 16280 + 40 = 16320
Step 409: 16320 + 40 = 16360
Step 410: 16360 + 40 = 16400
Step 411: 16400 + 40 = 16440
Step 412: 16440 + 40 = 16480
Step 413: 16480 + 40 = 16520
Step 414: 16520 + 40 = 16560
Step 415: 16560 + 40 = 16600
Step 416: 16600 + 40 = 16640
Step 417: 16640 + 40 = 16680
Step 418: 16680 + 40 = 16720
Step 419: 16720 + 40 = 16760
Step 420: 16760 + 40 = 16800
Step 421: 16800 + 40 = 16840
Step 422: 16840 + 40 = 16880
Step 423: 16880 + 40 = 16920
Step 424: 16920 + 40 = 16960
Step 425: 16960 + 40 = 17000
Step 426: 17000 + 40 = 17040
Step 427: 17040 + 40 = 17080
Step 428: 17080 + 40 = 17120
Step 429: 17120 + 40 = 17160
Step 430: 17160 + 40 = 17200
Step 431: 17200 + 40 = 17240
Step 432: 17240 + 40 = 17280
Step 433: 17280 + 40 = 17320
Step 434: 17320 + 40 = 17360
Step 435: 17360 + 40 = 17400
Step 436: 17400 + 40 = 17440
Step 437: 17440 + 40 = 17480
Step 438: 17480 + 40 = 17520
Step 439: 17520 + 40 = 17560
Step 440: 17560 + 40 = 17600
Step 441: 17600 + 40 = 17640
Step 442: 17640 + 40 = 17680
Step 443: 17680 + 40 = 17720
Step 444: 17720 + 40 = 17760
Step 445: 17760 + 40 = 17800
Step 446: 17800 + 40 = 17840
Step 447: 17840 + 40 = 17880
Step 448: 17880 + 40 = 17920
Step 449: 17920 + 40 = 17960
Step 450: 17960 + 40 = 18000
Step 451: 18000 + 40 = 18040
Step 452: 18040 + 40 = 18080
Step 453: 18080 + 40 = 18120
Step 454: 18120 + 40 = 18160
Step 455: 18160 + 40 = 18200
Step 456: 18200 + 40 = 18240
Step 457: 18240 + 40 = 18280
Step 458: 18280 + 40 = 18320
Step 459: 18320 + 40 = 18360
Step 460: 18360 + 40 = 18400
Step 461: 18400 + 40 = 18440
Step 462: 18440 + 40 = 18480
Step 463: 18480 + 40 = 18520
Step 464: 18520 + 40 = 18560
Step 465: 18560 + 40 = 18600
Step 466: 18600 + 40 = 18640
Step 467: 18640 + 40 = 18680
Step 468: 18680 + 40 = 18720
Step 469: 18720 + 40 = 18760
Step 470: 18760 + 40 = 18800
Step 471: 18800 + 40 = 18840
Step 472: 18840 + 40 = 18880
Step 473: 18880 + 40 = 18920
Step 474: 18920 + 40 = 18960
Step 475: 18960 + 40 = 19000
Step 476: 19000 + 40 = 19040
Step 477: 19040 + 40 = 19080
Step 478: 19080 + 40 = 19120
Step 479: 19120 + 40 = 19160
Step 480: 19160 + 40 = 19200
Step 481: 19200 + 40 = 19240
Step 482: 19240 + 40 = 19280
Step 483: 19280 + 40 = 19320
Step 484: 19320 + 40 = 19360
Step 485: 19360 + 40 = 19400
Step 486: 19400 + 40 = 19440
Step 487: 19440 + 40 = 19480
Step 488: 19480 + 40 = 19520

So, 40*488 = 19520