Alright, let's solve this math problem step by step. First, we have the number 985. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 390. So, we're going to take the number 985 and add it to itself 390 times.
Step 1: 0 + 985 = 985
Step 2: 985 + 985 = 1970
Step 3: 1970 + 985 = 2955
Step 4: 2955 + 985 = 3940
Step 5: 3940 + 985 = 4925
Step 6: 4925 + 985 = 5910
Step 7: 5910 + 985 = 6895
Step 8: 6895 + 985 = 7880
Step 9: 7880 + 985 = 8865
Step 10: 8865 + 985 = 9850
Step 11: 9850 + 985 = 10835
Step 12: 10835 + 985 = 11820
Step 13: 11820 + 985 = 12805
Step 14: 12805 + 985 = 13790
Step 15: 13790 + 985 = 14775
Step 16: 14775 + 985 = 15760
Step 17: 15760 + 985 = 16745
Step 18: 16745 + 985 = 17730
Step 19: 17730 + 985 = 18715
Step 20: 18715 + 985 = 19700
Step 21: 19700 + 985 = 20685
Step 22: 20685 + 985 = 21670
Step 23: 21670 + 985 = 22655
Step 24: 22655 + 985 = 23640
Step 25: 23640 + 985 = 24625
Step 26: 24625 + 985 = 25610
Step 27: 25610 + 985 = 26595
Step 28: 26595 + 985 = 27580
Step 29: 27580 + 985 = 28565
Step 30: 28565 + 985 = 29550
Step 31: 29550 + 985 = 30535
Step 32: 30535 + 985 = 31520
Step 33: 31520 + 985 = 32505
Step 34: 32505 + 985 = 33490
Step 35: 33490 + 985 = 34475
Step 36: 34475 + 985 = 35460
Step 37: 35460 + 985 = 36445
Step 38: 36445 + 985 = 37430
Step 39: 37430 + 985 = 38415
Step 40: 38415 + 985 = 39400
Step 41: 39400 + 985 = 40385
Step 42: 40385 + 985 = 41370
Step 43: 41370 + 985 = 42355
Step 44: 42355 + 985 = 43340
Step 45: 43340 + 985 = 44325
Step 46: 44325 + 985 = 45310
Step 47: 45310 + 985 = 46295
Step 48: 46295 + 985 = 47280
Step 49: 47280 + 985 = 48265
Step 50: 48265 + 985 = 49250
Step 51: 49250 + 985 = 50235
Step 52: 50235 + 985 = 51220
Step 53: 51220 + 985 = 52205
Step 54: 52205 + 985 = 53190
Step 55: 53190 + 985 = 54175
Step 56: 54175 + 985 = 55160
Step 57: 55160 + 985 = 56145
Step 58: 56145 + 985 = 57130
Step 59: 57130 + 985 = 58115
Step 60: 58115 + 985 = 59100
Step 61: 59100 + 985 = 60085
Step 62: 60085 + 985 = 61070
Step 63: 61070 + 985 = 62055
Step 64: 62055 + 985 = 63040
Step 65: 63040 + 985 = 64025
Step 66: 64025 + 985 = 65010
Step 67: 65010 + 985 = 65995
Step 68: 65995 + 985 = 66980
Step 69: 66980 + 985 = 67965
Step 70: 67965 + 985 = 68950
Step 71: 68950 + 985 = 69935
Step 72: 69935 + 985 = 70920
Step 73: 70920 + 985 = 71905
Step 74: 71905 + 985 = 72890
Step 75: 72890 + 985 = 73875
Step 76: 73875 + 985 = 74860
Step 77: 74860 + 985 = 75845
Step 78: 75845 + 985 = 76830
Step 79: 76830 + 985 = 77815
Step 80: 77815 + 985 = 78800
Step 81: 78800 + 985 = 79785
Step 82: 79785 + 985 = 80770
Step 83: 80770 + 985 = 81755
Step 84: 81755 + 985 = 82740
Step 85: 82740 + 985 = 83725
Step 86: 83725 + 985 = 84710
Step 87: 84710 + 985 = 85695
Step 88: 85695 + 985 = 86680
Step 89: 86680 + 985 = 87665
Step 90: 87665 + 985 = 88650
Step 91: 88650 + 985 = 89635
Step 92: 89635 + 985 = 90620
Step 93: 90620 + 985 = 91605
Step 94: 91605 + 985 = 92590
Step 95: 92590 + 985 = 93575
Step 96: 93575 + 985 = 94560
Step 97: 94560 + 985 = 95545
Step 98: 95545 + 985 = 96530
Step 99: 96530 + 985 = 97515
Step 100: 97515 + 985 = 98500
Step 101: 98500 + 985 = 99485
Step 102: 99485 + 985 = 100470
Step 103: 100470 + 985 = 101455
Step 104: 101455 + 985 = 102440
Step 105: 102440 + 985 = 103425
Step 106: 103425 + 985 = 104410
Step 107: 104410 + 985 = 105395
Step 108: 105395 + 985 = 106380
Step 109: 106380 + 985 = 107365
Step 110: 107365 + 985 = 108350
Step 111: 108350 + 985 = 109335
Step 112: 109335 + 985 = 110320
Step 113: 110320 + 985 = 111305
Step 114: 111305 + 985 = 112290
Step 115: 112290 + 985 = 113275
Step 116: 113275 + 985 = 114260
Step 117: 114260 + 985 = 115245
Step 118: 115245 + 985 = 116230
Step 119: 116230 + 985 = 117215
Step 120: 117215 + 985 = 118200
Step 121: 118200 + 985 = 119185
Step 122: 119185 + 985 = 120170
Step 123: 120170 + 985 = 121155
Step 124: 121155 + 985 = 122140
Step 125: 122140 + 985 = 123125
Step 126: 123125 + 985 = 124110
Step 127: 124110 + 985 = 125095
Step 128: 125095 + 985 = 126080
Step 129: 126080 + 985 = 127065
Step 130: 127065 + 985 = 128050
Step 131: 128050 + 985 = 129035
Step 132: 129035 + 985 = 130020
Step 133: 130020 + 985 = 131005
Step 134: 131005 + 985 = 131990
Step 135: 131990 + 985 = 132975
Step 136: 132975 + 985 = 133960
Step 137: 133960 + 985 = 134945
Step 138: 134945 + 985 = 135930
Step 139: 135930 + 985 = 136915
Step 140: 136915 + 985 = 137900
Step 141: 137900 + 985 = 138885
Step 142: 138885 + 985 = 139870
Step 143: 139870 + 985 = 140855
Step 144: 140855 + 985 = 141840
Step 145: 141840 + 985 = 142825
Step 146: 142825 + 985 = 143810
Step 147: 143810 + 985 = 144795
Step 148: 144795 + 985 = 145780
Step 149: 145780 + 985 = 146765
Step 150: 146765 + 985 = 147750
Step 151: 147750 + 985 = 148735
Step 152: 148735 + 985 = 149720
Step 153: 149720 + 985 = 150705
Step 154: 150705 + 985 = 151690
Step 155: 151690 + 985 = 152675
Step 156: 152675 + 985 = 153660
Step 157: 153660 + 985 = 154645
Step 158: 154645 + 985 = 155630
Step 159: 155630 + 985 = 156615
Step 160: 156615 + 985 = 157600
Step 161: 157600 + 985 = 158585
Step 162: 158585 + 985 = 159570
Step 163: 159570 + 985 = 160555
Step 164: 160555 + 985 = 161540
Step 165: 161540 + 985 = 162525
Step 166: 162525 + 985 = 163510
Step 167: 163510 + 985 = 164495
Step 168: 164495 + 985 = 165480
Step 169: 165480 + 985 = 166465
Step 170: 166465 + 985 = 167450
Step 171: 167450 + 985 = 168435
Step 172: 168435 + 985 = 169420
Step 173: 169420 + 985 = 170405
Step 174: 170405 + 985 = 171390
Step 175: 171390 + 985 = 172375
Step 176: 172375 + 985 = 173360
Step 177: 173360 + 985 = 174345
Step 178: 174345 + 985 = 175330
Step 179: 175330 + 985 = 176315
Step 180: 176315 + 985 = 177300
Step 181: 177300 + 985 = 178285
Step 182: 178285 + 985 = 179270
Step 183: 179270 + 985 = 180255
Step 184: 180255 + 985 = 181240
Step 185: 181240 + 985 = 182225
Step 186: 182225 + 985 = 183210
Step 187: 183210 + 985 = 184195
Step 188: 184195 + 985 = 185180
Step 189: 185180 + 985 = 186165
Step 190: 186165 + 985 = 187150
Step 191: 187150 + 985 = 188135
Step 192: 188135 + 985 = 189120
Step 193: 189120 + 985 = 190105
Step 194: 190105 + 985 = 191090
Step 195: 191090 + 985 = 192075
Step 196: 192075 + 985 = 193060
Step 197: 193060 + 985 = 194045
Step 198: 194045 + 985 = 195030
Step 199: 195030 + 985 = 196015
Step 200: 196015 + 985 = 197000
Step 201: 197000 + 985 = 197985
Step 202: 197985 + 985 = 198970
Step 203: 198970 + 985 = 199955
Step 204: 199955 + 985 = 200940
Step 205: 200940 + 985 = 201925
Step 206: 201925 + 985 = 202910
Step 207: 202910 + 985 = 203895
Step 208: 203895 + 985 = 204880
Step 209: 204880 + 985 = 205865
Step 210: 205865 + 985 = 206850
Step 211: 206850 + 985 = 207835
Step 212: 207835 + 985 = 208820
Step 213: 208820 + 985 = 209805
Step 214: 209805 + 985 = 210790
Step 215: 210790 + 985 = 211775
Step 216: 211775 + 985 = 212760
Step 217: 212760 + 985 = 213745
Step 218: 213745 + 985 = 214730
Step 219: 214730 + 985 = 215715
Step 220: 215715 + 985 = 216700
Step 221: 216700 + 985 = 217685
Step 222: 217685 + 985 = 218670
Step 223: 218670 + 985 = 219655
Step 224: 219655 + 985 = 220640
Step 225: 220640 + 985 = 221625
Step 226: 221625 + 985 = 222610
Step 227: 222610 + 985 = 223595
Step 228: 223595 + 985 = 224580
Step 229: 224580 + 985 = 225565
Step 230: 225565 + 985 = 226550
Step 231: 226550 + 985 = 227535
Step 232: 227535 + 985 = 228520
Step 233: 228520 + 985 = 229505
Step 234: 229505 + 985 = 230490
Step 235: 230490 + 985 = 231475
Step 236: 231475 + 985 = 232460
Step 237: 232460 + 985 = 233445
Step 238: 233445 + 985 = 234430
Step 239: 234430 + 985 = 235415
Step 240: 235415 + 985 = 236400
Step 241: 236400 + 985 = 237385
Step 242: 237385 + 985 = 238370
Step 243: 238370 + 985 = 239355
Step 244: 239355 + 985 = 240340
Step 245: 240340 + 985 = 241325
Step 246: 241325 + 985 = 242310
Step 247: 242310 + 985 = 243295
Step 248: 243295 + 985 = 244280
Step 249: 244280 + 985 = 245265
Step 250: 245265 + 985 = 246250
Step 251: 246250 + 985 = 247235
Step 252: 247235 + 985 = 248220
Step 253: 248220 + 985 = 249205
Step 254: 249205 + 985 = 250190
Step 255: 250190 + 985 = 251175
Step 256: 251175 + 985 = 252160
Step 257: 252160 + 985 = 253145
Step 258: 253145 + 985 = 254130
Step 259: 254130 + 985 = 255115
Step 260: 255115 + 985 = 256100
Step 261: 256100 + 985 = 257085
Step 262: 257085 + 985 = 258070
Step 263: 258070 + 985 = 259055
Step 264: 259055 + 985 = 260040
Step 265: 260040 + 985 = 261025
Step 266: 261025 + 985 = 262010
Step 267: 262010 + 985 = 262995
Step 268: 262995 + 985 = 263980
Step 269: 263980 + 985 = 264965
Step 270: 264965 + 985 = 265950
Step 271: 265950 + 985 = 266935
Step 272: 266935 + 985 = 267920
Step 273: 267920 + 985 = 268905
Step 274: 268905 + 985 = 269890
Step 275: 269890 + 985 = 270875
Step 276: 270875 + 985 = 271860
Step 277: 271860 + 985 = 272845
Step 278: 272845 + 985 = 273830
Step 279: 273830 + 985 = 274815
Step 280: 274815 + 985 = 275800
Step 281: 275800 + 985 = 276785
Step 282: 276785 + 985 = 277770
Step 283: 277770 + 985 = 278755
Step 284: 278755 + 985 = 279740
Step 285: 279740 + 985 = 280725
Step 286: 280725 + 985 = 281710
Step 287: 281710 + 985 = 282695
Step 288: 282695 + 985 = 283680
Step 289: 283680 + 985 = 284665
Step 290: 284665 + 985 = 285650
Step 291: 285650 + 985 = 286635
Step 292: 286635 + 985 = 287620
Step 293: 287620 + 985 = 288605
Step 294: 288605 + 985 = 289590
Step 295: 289590 + 985 = 290575
Step 296: 290575 + 985 = 291560
Step 297: 291560 + 985 = 292545
Step 298: 292545 + 985 = 293530
Step 299: 293530 + 985 = 294515
Step 300: 294515 + 985 = 295500
Step 301: 295500 + 985 = 296485
Step 302: 296485 + 985 = 297470
Step 303: 297470 + 985 = 298455
Step 304: 298455 + 985 = 299440
Step 305: 299440 + 985 = 300425
Step 306: 300425 + 985 = 301410
Step 307: 301410 + 985 = 302395
Step 308: 302395 + 985 = 303380
Step 309: 303380 + 985 = 304365
Step 310: 304365 + 985 = 305350
Step 311: 305350 + 985 = 306335
Step 312: 306335 + 985 = 307320
Step 313: 307320 + 985 = 308305
Step 314: 308305 + 985 = 309290
Step 315: 309290 + 985 = 310275
Step 316: 310275 + 985 = 311260
Step 317: 311260 + 985 = 312245
Step 318: 312245 + 985 = 313230
Step 319: 313230 + 985 = 314215
Step 320: 314215 + 985 = 315200
Step 321: 315200 + 985 = 316185
Step 322: 316185 + 985 = 317170
Step 323: 317170 + 985 = 318155
Step 324: 318155 + 985 = 319140
Step 325: 319140 + 985 = 320125
Step 326: 320125 + 985 = 321110
Step 327: 321110 + 985 = 322095
Step 328: 322095 + 985 = 323080
Step 329: 323080 + 985 = 324065
Step 330: 324065 + 985 = 325050
Step 331: 325050 + 985 = 326035
Step 332: 326035 + 985 = 327020
Step 333: 327020 + 985 = 328005
Step 334: 328005 + 985 = 328990
Step 335: 328990 + 985 = 329975
Step 336: 329975 + 985 = 330960
Step 337: 330960 + 985 = 331945
Step 338: 331945 + 985 = 332930
Step 339: 332930 + 985 = 333915
Step 340: 333915 + 985 = 334900
Step 341: 334900 + 985 = 335885
Step 342: 335885 + 985 = 336870
Step 343: 336870 + 985 = 337855
Step 344: 337855 + 985 = 338840
Step 345: 338840 + 985 = 339825
Step 346: 339825 + 985 = 340810
Step 347: 340810 + 985 = 341795
Step 348: 341795 + 985 = 342780
Step 349: 342780 + 985 = 343765
Step 350: 343765 + 985 = 344750
Step 351: 344750 + 985 = 345735
Step 352: 345735 + 985 = 346720
Step 353: 346720 + 985 = 347705
Step 354: 347705 + 985 = 348690
Step 355: 348690 + 985 = 349675
Step 356: 349675 + 985 = 350660
Step 357: 350660 + 985 = 351645
Step 358: 351645 + 985 = 352630
Step 359: 352630 + 985 = 353615
Step 360: 353615 + 985 = 354600
Step 361: 354600 + 985 = 355585
Step 362: 355585 + 985 = 356570
Step 363: 356570 + 985 = 357555
Step 364: 357555 + 985 = 358540
Step 365: 358540 + 985 = 359525
Step 366: 359525 + 985 = 360510
Step 367: 360510 + 985 = 361495
Step 368: 361495 + 985 = 362480
Step 369: 362480 + 985 = 363465
Step 370: 363465 + 985 = 364450
Step 371: 364450 + 985 = 365435
Step 372: 365435 + 985 = 366420
Step 373: 366420 + 985 = 367405
Step 374: 367405 + 985 = 368390
Step 375: 368390 + 985 = 369375
Step 376: 369375 + 985 = 370360
Step 377: 370360 + 985 = 371345
Step 378: 371345 + 985 = 372330
Step 379: 372330 + 985 = 373315
Step 380: 373315 + 985 = 374300
Step 381: 374300 + 985 = 375285
Step 382: 375285 + 985 = 376270
Step 383: 376270 + 985 = 377255
Step 384: 377255 + 985 = 378240
Step 385: 378240 + 985 = 379225
Step 386: 379225 + 985 = 380210
Step 387: 380210 + 985 = 381195
Step 388: 381195 + 985 = 382180
Step 389: 382180 + 985 = 383165
Step 390: 383165 + 985 = 384150

So, 985*390 = 384150