Let's roll up our sleeves and solve this. We have 30 and we're going to multiply it by 438, essentially adding 30 to itself 438 times.
Step 1: 0 + 30 = 30
Step 2: 30 + 30 = 60
Step 3: 60 + 30 = 90
Step 4: 90 + 30 = 120
Step 5: 120 + 30 = 150
Step 6: 150 + 30 = 180
Step 7: 180 + 30 = 210
Step 8: 210 + 30 = 240
Step 9: 240 + 30 = 270
Step 10: 270 + 30 = 300
Step 11: 300 + 30 = 330
Step 12: 330 + 30 = 360
Step 13: 360 + 30 = 390
Step 14: 390 + 30 = 420
Step 15: 420 + 30 = 450
Step 16: 450 + 30 = 480
Step 17: 480 + 30 = 510
Step 18: 510 + 30 = 540
Step 19: 540 + 30 = 570
Step 20: 570 + 30 = 600
Step 21: 600 + 30 = 630
Step 22: 630 + 30 = 660
Step 23: 660 + 30 = 690
Step 24: 690 + 30 = 720
Step 25: 720 + 30 = 750
Step 26: 750 + 30 = 780
Step 27: 780 + 30 = 810
Step 28: 810 + 30 = 840
Step 29: 840 + 30 = 870
Step 30: 870 + 30 = 900
Step 31: 900 + 30 = 930
Step 32: 930 + 30 = 960
Step 33: 960 + 30 = 990
Step 34: 990 + 30 = 1020
Step 35: 1020 + 30 = 1050
Step 36: 1050 + 30 = 1080
Step 37: 1080 + 30 = 1110
Step 38: 1110 + 30 = 1140
Step 39: 1140 + 30 = 1170
Step 40: 1170 + 30 = 1200
Step 41: 1200 + 30 = 1230
Step 42: 1230 + 30 = 1260
Step 43: 1260 + 30 = 1290
Step 44: 1290 + 30 = 1320
Step 45: 1320 + 30 = 1350
Step 46: 1350 + 30 = 1380
Step 47: 1380 + 30 = 1410
Step 48: 1410 + 30 = 1440
Step 49: 1440 + 30 = 1470
Step 50: 1470 + 30 = 1500
Step 51: 1500 + 30 = 1530
Step 52: 1530 + 30 = 1560
Step 53: 1560 + 30 = 1590
Step 54: 1590 + 30 = 1620
Step 55: 1620 + 30 = 1650
Step 56: 1650 + 30 = 1680
Step 57: 1680 + 30 = 1710
Step 58: 1710 + 30 = 1740
Step 59: 1740 + 30 = 1770
Step 60: 1770 + 30 = 1800
Step 61: 1800 + 30 = 1830
Step 62: 1830 + 30 = 1860
Step 63: 1860 + 30 = 1890
Step 64: 1890 + 30 = 1920
Step 65: 1920 + 30 = 1950
Step 66: 1950 + 30 = 1980
Step 67: 1980 + 30 = 2010
Step 68: 2010 + 30 = 2040
Step 69: 2040 + 30 = 2070
Step 70: 2070 + 30 = 2100
Step 71: 2100 + 30 = 2130
Step 72: 2130 + 30 = 2160
Step 73: 2160 + 30 = 2190
Step 74: 2190 + 30 = 2220
Step 75: 2220 + 30 = 2250
Step 76: 2250 + 30 = 2280
Step 77: 2280 + 30 = 2310
Step 78: 2310 + 30 = 2340
Step 79: 2340 + 30 = 2370
Step 80: 2370 + 30 = 2400
Step 81: 2400 + 30 = 2430
Step 82: 2430 + 30 = 2460
Step 83: 2460 + 30 = 2490
Step 84: 2490 + 30 = 2520
Step 85: 2520 + 30 = 2550
Step 86: 2550 + 30 = 2580
Step 87: 2580 + 30 = 2610
Step 88: 2610 + 30 = 2640
Step 89: 2640 + 30 = 2670
Step 90: 2670 + 30 = 2700
Step 91: 2700 + 30 = 2730
Step 92: 2730 + 30 = 2760
Step 93: 2760 + 30 = 2790
Step 94: 2790 + 30 = 2820
Step 95: 2820 + 30 = 2850
Step 96: 2850 + 30 = 2880
Step 97: 2880 + 30 = 2910
Step 98: 2910 + 30 = 2940
Step 99: 2940 + 30 = 2970
Step 100: 2970 + 30 = 3000
Step 101: 3000 + 30 = 3030
Step 102: 3030 + 30 = 3060
Step 103: 3060 + 30 = 3090
Step 104: 3090 + 30 = 3120
Step 105: 3120 + 30 = 3150
Step 106: 3150 + 30 = 3180
Step 107: 3180 + 30 = 3210
Step 108: 3210 + 30 = 3240
Step 109: 3240 + 30 = 3270
Step 110: 3270 + 30 = 3300
Step 111: 3300 + 30 = 3330
Step 112: 3330 + 30 = 3360
Step 113: 3360 + 30 = 3390
Step 114: 3390 + 30 = 3420
Step 115: 3420 + 30 = 3450
Step 116: 3450 + 30 = 3480
Step 117: 3480 + 30 = 3510
Step 118: 3510 + 30 = 3540
Step 119: 3540 + 30 = 3570
Step 120: 3570 + 30 = 3600
Step 121: 3600 + 30 = 3630
Step 122: 3630 + 30 = 3660
Step 123: 3660 + 30 = 3690
Step 124: 3690 + 30 = 3720
Step 125: 3720 + 30 = 3750
Step 126: 3750 + 30 = 3780
Step 127: 3780 + 30 = 3810
Step 128: 3810 + 30 = 3840
Step 129: 3840 + 30 = 3870
Step 130: 3870 + 30 = 3900
Step 131: 3900 + 30 = 3930
Step 132: 3930 + 30 = 3960
Step 133: 3960 + 30 = 3990
Step 134: 3990 + 30 = 4020
Step 135: 4020 + 30 = 4050
Step 136: 4050 + 30 = 4080
Step 137: 4080 + 30 = 4110
Step 138: 4110 + 30 = 4140
Step 139: 4140 + 30 = 4170
Step 140: 4170 + 30 = 4200
Step 141: 4200 + 30 = 4230
Step 142: 4230 + 30 = 4260
Step 143: 4260 + 30 = 4290
Step 144: 4290 + 30 = 4320
Step 145: 4320 + 30 = 4350
Step 146: 4350 + 30 = 4380
Step 147: 4380 + 30 = 4410
Step 148: 4410 + 30 = 4440
Step 149: 4440 + 30 = 4470
Step 150: 4470 + 30 = 4500
Step 151: 4500 + 30 = 4530
Step 152: 4530 + 30 = 4560
Step 153: 4560 + 30 = 4590
Step 154: 4590 + 30 = 4620
Step 155: 4620 + 30 = 4650
Step 156: 4650 + 30 = 4680
Step 157: 4680 + 30 = 4710
Step 158: 4710 + 30 = 4740
Step 159: 4740 + 30 = 4770
Step 160: 4770 + 30 = 4800
Step 161: 4800 + 30 = 4830
Step 162: 4830 + 30 = 4860
Step 163: 4860 + 30 = 4890
Step 164: 4890 + 30 = 4920
Step 165: 4920 + 30 = 4950
Step 166: 4950 + 30 = 4980
Step 167: 4980 + 30 = 5010
Step 168: 5010 + 30 = 5040
Step 169: 5040 + 30 = 5070
Step 170: 5070 + 30 = 5100
Step 171: 5100 + 30 = 5130
Step 172: 5130 + 30 = 5160
Step 173: 5160 + 30 = 5190
Step 174: 5190 + 30 = 5220
Step 175: 5220 + 30 = 5250
Step 176: 5250 + 30 = 5280
Step 177: 5280 + 30 = 5310
Step 178: 5310 + 30 = 5340
Step 179: 5340 + 30 = 5370
Step 180: 5370 + 30 = 5400
Step 181: 5400 + 30 = 5430
Step 182: 5430 + 30 = 5460
Step 183: 5460 + 30 = 5490
Step 184: 5490 + 30 = 5520
Step 185: 5520 + 30 = 5550
Step 186: 5550 + 30 = 5580
Step 187: 5580 + 30 = 5610
Step 188: 5610 + 30 = 5640
Step 189: 5640 + 30 = 5670
Step 190: 5670 + 30 = 5700
Step 191: 5700 + 30 = 5730
Step 192: 5730 + 30 = 5760
Step 193: 5760 + 30 = 5790
Step 194: 5790 + 30 = 5820
Step 195: 5820 + 30 = 5850
Step 196: 5850 + 30 = 5880
Step 197: 5880 + 30 = 5910
Step 198: 5910 + 30 = 5940
Step 199: 5940 + 30 = 5970
Step 200: 5970 + 30 = 6000
Step 201: 6000 + 30 = 6030
Step 202: 6030 + 30 = 6060
Step 203: 6060 + 30 = 6090
Step 204: 6090 + 30 = 6120
Step 205: 6120 + 30 = 6150
Step 206: 6150 + 30 = 6180
Step 207: 6180 + 30 = 6210
Step 208: 6210 + 30 = 6240
Step 209: 6240 + 30 = 6270
Step 210: 6270 + 30 = 6300
Step 211: 6300 + 30 = 6330
Step 212: 6330 + 30 = 6360
Step 213: 6360 + 30 = 6390
Step 214: 6390 + 30 = 6420
Step 215: 6420 + 30 = 6450
Step 216: 6450 + 30 = 6480
Step 217: 6480 + 30 = 6510
Step 218: 6510 + 30 = 6540
Step 219: 6540 + 30 = 6570
Step 220: 6570 + 30 = 6600
Step 221: 6600 + 30 = 6630
Step 222: 6630 + 30 = 6660
Step 223: 6660 + 30 = 6690
Step 224: 6690 + 30 = 6720
Step 225: 6720 + 30 = 6750
Step 226: 6750 + 30 = 6780
Step 227: 6780 + 30 = 6810
Step 228: 6810 + 30 = 6840
Step 229: 6840 + 30 = 6870
Step 230: 6870 + 30 = 6900
Step 231: 6900 + 30 = 6930
Step 232: 6930 + 30 = 6960
Step 233: 6960 + 30 = 6990
Step 234: 6990 + 30 = 7020
Step 235: 7020 + 30 = 7050
Step 236: 7050 + 30 = 7080
Step 237: 7080 + 30 = 7110
Step 238: 7110 + 30 = 7140
Step 239: 7140 + 30 = 7170
Step 240: 7170 + 30 = 7200
Step 241: 7200 + 30 = 7230
Step 242: 7230 + 30 = 7260
Step 243: 7260 + 30 = 7290
Step 244: 7290 + 30 = 7320
Step 245: 7320 + 30 = 7350
Step 246: 7350 + 30 = 7380
Step 247: 7380 + 30 = 7410
Step 248: 7410 + 30 = 7440
Step 249: 7440 + 30 = 7470
Step 250: 7470 + 30 = 7500
Step 251: 7500 + 30 = 7530
Step 252: 7530 + 30 = 7560
Step 253: 7560 + 30 = 7590
Step 254: 7590 + 30 = 7620
Step 255: 7620 + 30 = 7650
Step 256: 7650 + 30 = 7680
Step 257: 7680 + 30 = 7710
Step 258: 7710 + 30 = 7740
Step 259: 7740 + 30 = 7770
Step 260: 7770 + 30 = 7800
Step 261: 7800 + 30 = 7830
Step 262: 7830 + 30 = 7860
Step 263: 7860 + 30 = 7890
Step 264: 7890 + 30 = 7920
Step 265: 7920 + 30 = 7950
Step 266: 7950 + 30 = 7980
Step 267: 7980 + 30 = 8010
Step 268: 8010 + 30 = 8040
Step 269: 8040 + 30 = 8070
Step 270: 8070 + 30 = 8100
Step 271: 8100 + 30 = 8130
Step 272: 8130 + 30 = 8160
Step 273: 8160 + 30 = 8190
Step 274: 8190 + 30 = 8220
Step 275: 8220 + 30 = 8250
Step 276: 8250 + 30 = 8280
Step 277: 8280 + 30 = 8310
Step 278: 8310 + 30 = 8340
Step 279: 8340 + 30 = 8370
Step 280: 8370 + 30 = 8400
Step 281: 8400 + 30 = 8430
Step 282: 8430 + 30 = 8460
Step 283: 8460 + 30 = 8490
Step 284: 8490 + 30 = 8520
Step 285: 8520 + 30 = 8550
Step 286: 8550 + 30 = 8580
Step 287: 8580 + 30 = 8610
Step 288: 8610 + 30 = 8640
Step 289: 8640 + 30 = 8670
Step 290: 8670 + 30 = 8700
Step 291: 8700 + 30 = 8730
Step 292: 8730 + 30 = 8760
Step 293: 8760 + 30 = 8790
Step 294: 8790 + 30 = 8820
Step 295: 8820 + 30 = 8850
Step 296: 8850 + 30 = 8880
Step 297: 8880 + 30 = 8910
Step 298: 8910 + 30 = 8940
Step 299: 8940 + 30 = 8970
Step 300: 8970 + 30 = 9000
Step 301: 9000 + 30 = 9030
Step 302: 9030 + 30 = 9060
Step 303: 9060 + 30 = 9090
Step 304: 9090 + 30 = 9120
Step 305: 9120 + 30 = 9150
Step 306: 9150 + 30 = 9180
Step 307: 9180 + 30 = 9210
Step 308: 9210 + 30 = 9240
Step 309: 9240 + 30 = 9270
Step 310: 9270 + 30 = 9300
Step 311: 9300 + 30 = 9330
Step 312: 9330 + 30 = 9360
Step 313: 9360 + 30 = 9390
Step 314: 9390 + 30 = 9420
Step 315: 9420 + 30 = 9450
Step 316: 9450 + 30 = 9480
Step 317: 9480 + 30 = 9510
Step 318: 9510 + 30 = 9540
Step 319: 9540 + 30 = 9570
Step 320: 9570 + 30 = 9600
Step 321: 9600 + 30 = 9630
Step 322: 9630 + 30 = 9660
Step 323: 9660 + 30 = 9690
Step 324: 9690 + 30 = 9720
Step 325: 9720 + 30 = 9750
Step 326: 9750 + 30 = 9780
Step 327: 9780 + 30 = 9810
Step 328: 9810 + 30 = 9840
Step 329: 9840 + 30 = 9870
Step 330: 9870 + 30 = 9900
Step 331: 9900 + 30 = 9930
Step 332: 9930 + 30 = 9960
Step 333: 9960 + 30 = 9990
Step 334: 9990 + 30 = 10020
Step 335: 10020 + 30 = 10050
Step 336: 10050 + 30 = 10080
Step 337: 10080 + 30 = 10110
Step 338: 10110 + 30 = 10140
Step 339: 10140 + 30 = 10170
Step 340: 10170 + 30 = 10200
Step 341: 10200 + 30 = 10230
Step 342: 10230 + 30 = 10260
Step 343: 10260 + 30 = 10290
Step 344: 10290 + 30 = 10320
Step 345: 10320 + 30 = 10350
Step 346: 10350 + 30 = 10380
Step 347: 10380 + 30 = 10410
Step 348: 10410 + 30 = 10440
Step 349: 10440 + 30 = 10470
Step 350: 10470 + 30 = 10500
Step 351: 10500 + 30 = 10530
Step 352: 10530 + 30 = 10560
Step 353: 10560 + 30 = 10590
Step 354: 10590 + 30 = 10620
Step 355: 10620 + 30 = 10650
Step 356: 10650 + 30 = 10680
Step 357: 10680 + 30 = 10710
Step 358: 10710 + 30 = 10740
Step 359: 10740 + 30 = 10770
Step 360: 10770 + 30 = 10800
Step 361: 10800 + 30 = 10830
Step 362: 10830 + 30 = 10860
Step 363: 10860 + 30 = 10890
Step 364: 10890 + 30 = 10920
Step 365: 10920 + 30 = 10950
Step 366: 10950 + 30 = 10980
Step 367: 10980 + 30 = 11010
Step 368: 11010 + 30 = 11040
Step 369: 11040 + 30 = 11070
Step 370: 11070 + 30 = 11100
Step 371: 11100 + 30 = 11130
Step 372: 11130 + 30 = 11160
Step 373: 11160 + 30 = 11190
Step 374: 11190 + 30 = 11220
Step 375: 11220 + 30 = 11250
Step 376: 11250 + 30 = 11280
Step 377: 11280 + 30 = 11310
Step 378: 11310 + 30 = 11340
Step 379: 11340 + 30 = 11370
Step 380: 11370 + 30 = 11400
Step 381: 11400 + 30 = 11430
Step 382: 11430 + 30 = 11460
Step 383: 11460 + 30 = 11490
Step 384: 11490 + 30 = 11520
Step 385: 11520 + 30 = 11550
Step 386: 11550 + 30 = 11580
Step 387: 11580 + 30 = 11610
Step 388: 11610 + 30 = 11640
Step 389: 11640 + 30 = 11670
Step 390: 11670 + 30 = 11700
Step 391: 11700 + 30 = 11730
Step 392: 11730 + 30 = 11760
Step 393: 11760 + 30 = 11790
Step 394: 11790 + 30 = 11820
Step 395: 11820 + 30 = 11850
Step 396: 11850 + 30 = 11880
Step 397: 11880 + 30 = 11910
Step 398: 11910 + 30 = 11940
Step 399: 11940 + 30 = 11970
Step 400: 11970 + 30 = 12000
Step 401: 12000 + 30 = 12030
Step 402: 12030 + 30 = 12060
Step 403: 12060 + 30 = 12090
Step 404: 12090 + 30 = 12120
Step 405: 12120 + 30 = 12150
Step 406: 12150 + 30 = 12180
Step 407: 12180 + 30 = 12210
Step 408: 12210 + 30 = 12240
Step 409: 12240 + 30 = 12270
Step 410: 12270 + 30 = 12300
Step 411: 12300 + 30 = 12330
Step 412: 12330 + 30 = 12360
Step 413: 12360 + 30 = 12390
Step 414: 12390 + 30 = 12420
Step 415: 12420 + 30 = 12450
Step 416: 12450 + 30 = 12480
Step 417: 12480 + 30 = 12510
Step 418: 12510 + 30 = 12540
Step 419: 12540 + 30 = 12570
Step 420: 12570 + 30 = 12600
Step 421: 12600 + 30 = 12630
Step 422: 12630 + 30 = 12660
Step 423: 12660 + 30 = 12690
Step 424: 12690 + 30 = 12720
Step 425: 12720 + 30 = 12750
Step 426: 12750 + 30 = 12780
Step 427: 12780 + 30 = 12810
Step 428: 12810 + 30 = 12840
Step 429: 12840 + 30 = 12870
Step 430: 12870 + 30 = 12900
Step 431: 12900 + 30 = 12930
Step 432: 12930 + 30 = 12960
Step 433: 12960 + 30 = 12990
Step 434: 12990 + 30 = 13020
Step 435: 13020 + 30 = 13050
Step 436: 13050 + 30 = 13080
Step 437: 13080 + 30 = 13110
Step 438: 13110 + 30 = 13140

So, 30*438 = 13140