Alright, let's solve this math problem step by step. First, we have the number 999. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 432. So, we're going to take the number 999 and add it to itself 432 times.
Step 1: 0 + 999 = 999
Step 2: 999 + 999 = 1998
Step 3: 1998 + 999 = 2997
Step 4: 2997 + 999 = 3996
Step 5: 3996 + 999 = 4995
Step 6: 4995 + 999 = 5994
Step 7: 5994 + 999 = 6993
Step 8: 6993 + 999 = 7992
Step 9: 7992 + 999 = 8991
Step 10: 8991 + 999 = 9990
Step 11: 9990 + 999 = 10989
Step 12: 10989 + 999 = 11988
Step 13: 11988 + 999 = 12987
Step 14: 12987 + 999 = 13986
Step 15: 13986 + 999 = 14985
Step 16: 14985 + 999 = 15984
Step 17: 15984 + 999 = 16983
Step 18: 16983 + 999 = 17982
Step 19: 17982 + 999 = 18981
Step 20: 18981 + 999 = 19980
Step 21: 19980 + 999 = 20979
Step 22: 20979 + 999 = 21978
Step 23: 21978 + 999 = 22977
Step 24: 22977 + 999 = 23976
Step 25: 23976 + 999 = 24975
Step 26: 24975 + 999 = 25974
Step 27: 25974 + 999 = 26973
Step 28: 26973 + 999 = 27972
Step 29: 27972 + 999 = 28971
Step 30: 28971 + 999 = 29970
Step 31: 29970 + 999 = 30969
Step 32: 30969 + 999 = 31968
Step 33: 31968 + 999 = 32967
Step 34: 32967 + 999 = 33966
Step 35: 33966 + 999 = 34965
Step 36: 34965 + 999 = 35964
Step 37: 35964 + 999 = 36963
Step 38: 36963 + 999 = 37962
Step 39: 37962 + 999 = 38961
Step 40: 38961 + 999 = 39960
Step 41: 39960 + 999 = 40959
Step 42: 40959 + 999 = 41958
Step 43: 41958 + 999 = 42957
Step 44: 42957 + 999 = 43956
Step 45: 43956 + 999 = 44955
Step 46: 44955 + 999 = 45954
Step 47: 45954 + 999 = 46953
Step 48: 46953 + 999 = 47952
Step 49: 47952 + 999 = 48951
Step 50: 48951 + 999 = 49950
Step 51: 49950 + 999 = 50949
Step 52: 50949 + 999 = 51948
Step 53: 51948 + 999 = 52947
Step 54: 52947 + 999 = 53946
Step 55: 53946 + 999 = 54945
Step 56: 54945 + 999 = 55944
Step 57: 55944 + 999 = 56943
Step 58: 56943 + 999 = 57942
Step 59: 57942 + 999 = 58941
Step 60: 58941 + 999 = 59940
Step 61: 59940 + 999 = 60939
Step 62: 60939 + 999 = 61938
Step 63: 61938 + 999 = 62937
Step 64: 62937 + 999 = 63936
Step 65: 63936 + 999 = 64935
Step 66: 64935 + 999 = 65934
Step 67: 65934 + 999 = 66933
Step 68: 66933 + 999 = 67932
Step 69: 67932 + 999 = 68931
Step 70: 68931 + 999 = 69930
Step 71: 69930 + 999 = 70929
Step 72: 70929 + 999 = 71928
Step 73: 71928 + 999 = 72927
Step 74: 72927 + 999 = 73926
Step 75: 73926 + 999 = 74925
Step 76: 74925 + 999 = 75924
Step 77: 75924 + 999 = 76923
Step 78: 76923 + 999 = 77922
Step 79: 77922 + 999 = 78921
Step 80: 78921 + 999 = 79920
Step 81: 79920 + 999 = 80919
Step 82: 80919 + 999 = 81918
Step 83: 81918 + 999 = 82917
Step 84: 82917 + 999 = 83916
Step 85: 83916 + 999 = 84915
Step 86: 84915 + 999 = 85914
Step 87: 85914 + 999 = 86913
Step 88: 86913 + 999 = 87912
Step 89: 87912 + 999 = 88911
Step 90: 88911 + 999 = 89910
Step 91: 89910 + 999 = 90909
Step 92: 90909 + 999 = 91908
Step 93: 91908 + 999 = 92907
Step 94: 92907 + 999 = 93906
Step 95: 93906 + 999 = 94905
Step 96: 94905 + 999 = 95904
Step 97: 95904 + 999 = 96903
Step 98: 96903 + 999 = 97902
Step 99: 97902 + 999 = 98901
Step 100: 98901 + 999 = 99900
Step 101: 99900 + 999 = 100899
Step 102: 100899 + 999 = 101898
Step 103: 101898 + 999 = 102897
Step 104: 102897 + 999 = 103896
Step 105: 103896 + 999 = 104895
Step 106: 104895 + 999 = 105894
Step 107: 105894 + 999 = 106893
Step 108: 106893 + 999 = 107892
Step 109: 107892 + 999 = 108891
Step 110: 108891 + 999 = 109890
Step 111: 109890 + 999 = 110889
Step 112: 110889 + 999 = 111888
Step 113: 111888 + 999 = 112887
Step 114: 112887 + 999 = 113886
Step 115: 113886 + 999 = 114885
Step 116: 114885 + 999 = 115884
Step 117: 115884 + 999 = 116883
Step 118: 116883 + 999 = 117882
Step 119: 117882 + 999 = 118881
Step 120: 118881 + 999 = 119880
Step 121: 119880 + 999 = 120879
Step 122: 120879 + 999 = 121878
Step 123: 121878 + 999 = 122877
Step 124: 122877 + 999 = 123876
Step 125: 123876 + 999 = 124875
Step 126: 124875 + 999 = 125874
Step 127: 125874 + 999 = 126873
Step 128: 126873 + 999 = 127872
Step 129: 127872 + 999 = 128871
Step 130: 128871 + 999 = 129870
Step 131: 129870 + 999 = 130869
Step 132: 130869 + 999 = 131868
Step 133: 131868 + 999 = 132867
Step 134: 132867 + 999 = 133866
Step 135: 133866 + 999 = 134865
Step 136: 134865 + 999 = 135864
Step 137: 135864 + 999 = 136863
Step 138: 136863 + 999 = 137862
Step 139: 137862 + 999 = 138861
Step 140: 138861 + 999 = 139860
Step 141: 139860 + 999 = 140859
Step 142: 140859 + 999 = 141858
Step 143: 141858 + 999 = 142857
Step 144: 142857 + 999 = 143856
Step 145: 143856 + 999 = 144855
Step 146: 144855 + 999 = 145854
Step 147: 145854 + 999 = 146853
Step 148: 146853 + 999 = 147852
Step 149: 147852 + 999 = 148851
Step 150: 148851 + 999 = 149850
Step 151: 149850 + 999 = 150849
Step 152: 150849 + 999 = 151848
Step 153: 151848 + 999 = 152847
Step 154: 152847 + 999 = 153846
Step 155: 153846 + 999 = 154845
Step 156: 154845 + 999 = 155844
Step 157: 155844 + 999 = 156843
Step 158: 156843 + 999 = 157842
Step 159: 157842 + 999 = 158841
Step 160: 158841 + 999 = 159840
Step 161: 159840 + 999 = 160839
Step 162: 160839 + 999 = 161838
Step 163: 161838 + 999 = 162837
Step 164: 162837 + 999 = 163836
Step 165: 163836 + 999 = 164835
Step 166: 164835 + 999 = 165834
Step 167: 165834 + 999 = 166833
Step 168: 166833 + 999 = 167832
Step 169: 167832 + 999 = 168831
Step 170: 168831 + 999 = 169830
Step 171: 169830 + 999 = 170829
Step 172: 170829 + 999 = 171828
Step 173: 171828 + 999 = 172827
Step 174: 172827 + 999 = 173826
Step 175: 173826 + 999 = 174825
Step 176: 174825 + 999 = 175824
Step 177: 175824 + 999 = 176823
Step 178: 176823 + 999 = 177822
Step 179: 177822 + 999 = 178821
Step 180: 178821 + 999 = 179820
Step 181: 179820 + 999 = 180819
Step 182: 180819 + 999 = 181818
Step 183: 181818 + 999 = 182817
Step 184: 182817 + 999 = 183816
Step 185: 183816 + 999 = 184815
Step 186: 184815 + 999 = 185814
Step 187: 185814 + 999 = 186813
Step 188: 186813 + 999 = 187812
Step 189: 187812 + 999 = 188811
Step 190: 188811 + 999 = 189810
Step 191: 189810 + 999 = 190809
Step 192: 190809 + 999 = 191808
Step 193: 191808 + 999 = 192807
Step 194: 192807 + 999 = 193806
Step 195: 193806 + 999 = 194805
Step 196: 194805 + 999 = 195804
Step 197: 195804 + 999 = 196803
Step 198: 196803 + 999 = 197802
Step 199: 197802 + 999 = 198801
Step 200: 198801 + 999 = 199800
Step 201: 199800 + 999 = 200799
Step 202: 200799 + 999 = 201798
Step 203: 201798 + 999 = 202797
Step 204: 202797 + 999 = 203796
Step 205: 203796 + 999 = 204795
Step 206: 204795 + 999 = 205794
Step 207: 205794 + 999 = 206793
Step 208: 206793 + 999 = 207792
Step 209: 207792 + 999 = 208791
Step 210: 208791 + 999 = 209790
Step 211: 209790 + 999 = 210789
Step 212: 210789 + 999 = 211788
Step 213: 211788 + 999 = 212787
Step 214: 212787 + 999 = 213786
Step 215: 213786 + 999 = 214785
Step 216: 214785 + 999 = 215784
Step 217: 215784 + 999 = 216783
Step 218: 216783 + 999 = 217782
Step 219: 217782 + 999 = 218781
Step 220: 218781 + 999 = 219780
Step 221: 219780 + 999 = 220779
Step 222: 220779 + 999 = 221778
Step 223: 221778 + 999 = 222777
Step 224: 222777 + 999 = 223776
Step 225: 223776 + 999 = 224775
Step 226: 224775 + 999 = 225774
Step 227: 225774 + 999 = 226773
Step 228: 226773 + 999 = 227772
Step 229: 227772 + 999 = 228771
Step 230: 228771 + 999 = 229770
Step 231: 229770 + 999 = 230769
Step 232: 230769 + 999 = 231768
Step 233: 231768 + 999 = 232767
Step 234: 232767 + 999 = 233766
Step 235: 233766 + 999 = 234765
Step 236: 234765 + 999 = 235764
Step 237: 235764 + 999 = 236763
Step 238: 236763 + 999 = 237762
Step 239: 237762 + 999 = 238761
Step 240: 238761 + 999 = 239760
Step 241: 239760 + 999 = 240759
Step 242: 240759 + 999 = 241758
Step 243: 241758 + 999 = 242757
Step 244: 242757 + 999 = 243756
Step 245: 243756 + 999 = 244755
Step 246: 244755 + 999 = 245754
Step 247: 245754 + 999 = 246753
Step 248: 246753 + 999 = 247752
Step 249: 247752 + 999 = 248751
Step 250: 248751 + 999 = 249750
Step 251: 249750 + 999 = 250749
Step 252: 250749 + 999 = 251748
Step 253: 251748 + 999 = 252747
Step 254: 252747 + 999 = 253746
Step 255: 253746 + 999 = 254745
Step 256: 254745 + 999 = 255744
Step 257: 255744 + 999 = 256743
Step 258: 256743 + 999 = 257742
Step 259: 257742 + 999 = 258741
Step 260: 258741 + 999 = 259740
Step 261: 259740 + 999 = 260739
Step 262: 260739 + 999 = 261738
Step 263: 261738 + 999 = 262737
Step 264: 262737 + 999 = 263736
Step 265: 263736 + 999 = 264735
Step 266: 264735 + 999 = 265734
Step 267: 265734 + 999 = 266733
Step 268: 266733 + 999 = 267732
Step 269: 267732 + 999 = 268731
Step 270: 268731 + 999 = 269730
Step 271: 269730 + 999 = 270729
Step 272: 270729 + 999 = 271728
Step 273: 271728 + 999 = 272727
Step 274: 272727 + 999 = 273726
Step 275: 273726 + 999 = 274725
Step 276: 274725 + 999 = 275724
Step 277: 275724 + 999 = 276723
Step 278: 276723 + 999 = 277722
Step 279: 277722 + 999 = 278721
Step 280: 278721 + 999 = 279720
Step 281: 279720 + 999 = 280719
Step 282: 280719 + 999 = 281718
Step 283: 281718 + 999 = 282717
Step 284: 282717 + 999 = 283716
Step 285: 283716 + 999 = 284715
Step 286: 284715 + 999 = 285714
Step 287: 285714 + 999 = 286713
Step 288: 286713 + 999 = 287712
Step 289: 287712 + 999 = 288711
Step 290: 288711 + 999 = 289710
Step 291: 289710 + 999 = 290709
Step 292: 290709 + 999 = 291708
Step 293: 291708 + 999 = 292707
Step 294: 292707 + 999 = 293706
Step 295: 293706 + 999 = 294705
Step 296: 294705 + 999 = 295704
Step 297: 295704 + 999 = 296703
Step 298: 296703 + 999 = 297702
Step 299: 297702 + 999 = 298701
Step 300: 298701 + 999 = 299700
Step 301: 299700 + 999 = 300699
Step 302: 300699 + 999 = 301698
Step 303: 301698 + 999 = 302697
Step 304: 302697 + 999 = 303696
Step 305: 303696 + 999 = 304695
Step 306: 304695 + 999 = 305694
Step 307: 305694 + 999 = 306693
Step 308: 306693 + 999 = 307692
Step 309: 307692 + 999 = 308691
Step 310: 308691 + 999 = 309690
Step 311: 309690 + 999 = 310689
Step 312: 310689 + 999 = 311688
Step 313: 311688 + 999 = 312687
Step 314: 312687 + 999 = 313686
Step 315: 313686 + 999 = 314685
Step 316: 314685 + 999 = 315684
Step 317: 315684 + 999 = 316683
Step 318: 316683 + 999 = 317682
Step 319: 317682 + 999 = 318681
Step 320: 318681 + 999 = 319680
Step 321: 319680 + 999 = 320679
Step 322: 320679 + 999 = 321678
Step 323: 321678 + 999 = 322677
Step 324: 322677 + 999 = 323676
Step 325: 323676 + 999 = 324675
Step 326: 324675 + 999 = 325674
Step 327: 325674 + 999 = 326673
Step 328: 326673 + 999 = 327672
Step 329: 327672 + 999 = 328671
Step 330: 328671 + 999 = 329670
Step 331: 329670 + 999 = 330669
Step 332: 330669 + 999 = 331668
Step 333: 331668 + 999 = 332667
Step 334: 332667 + 999 = 333666
Step 335: 333666 + 999 = 334665
Step 336: 334665 + 999 = 335664
Step 337: 335664 + 999 = 336663
Step 338: 336663 + 999 = 337662
Step 339: 337662 + 999 = 338661
Step 340: 338661 + 999 = 339660
Step 341: 339660 + 999 = 340659
Step 342: 340659 + 999 = 341658
Step 343: 341658 + 999 = 342657
Step 344: 342657 + 999 = 343656
Step 345: 343656 + 999 = 344655
Step 346: 344655 + 999 = 345654
Step 347: 345654 + 999 = 346653
Step 348: 346653 + 999 = 347652
Step 349: 347652 + 999 = 348651
Step 350: 348651 + 999 = 349650
Step 351: 349650 + 999 = 350649
Step 352: 350649 + 999 = 351648
Step 353: 351648 + 999 = 352647
Step 354: 352647 + 999 = 353646
Step 355: 353646 + 999 = 354645
Step 356: 354645 + 999 = 355644
Step 357: 355644 + 999 = 356643
Step 358: 356643 + 999 = 357642
Step 359: 357642 + 999 = 358641
Step 360: 358641 + 999 = 359640
Step 361: 359640 + 999 = 360639
Step 362: 360639 + 999 = 361638
Step 363: 361638 + 999 = 362637
Step 364: 362637 + 999 = 363636
Step 365: 363636 + 999 = 364635
Step 366: 364635 + 999 = 365634
Step 367: 365634 + 999 = 366633
Step 368: 366633 + 999 = 367632
Step 369: 367632 + 999 = 368631
Step 370: 368631 + 999 = 369630
Step 371: 369630 + 999 = 370629
Step 372: 370629 + 999 = 371628
Step 373: 371628 + 999 = 372627
Step 374: 372627 + 999 = 373626
Step 375: 373626 + 999 = 374625
Step 376: 374625 + 999 = 375624
Step 377: 375624 + 999 = 376623
Step 378: 376623 + 999 = 377622
Step 379: 377622 + 999 = 378621
Step 380: 378621 + 999 = 379620
Step 381: 379620 + 999 = 380619
Step 382: 380619 + 999 = 381618
Step 383: 381618 + 999 = 382617
Step 384: 382617 + 999 = 383616
Step 385: 383616 + 999 = 384615
Step 386: 384615 + 999 = 385614
Step 387: 385614 + 999 = 386613
Step 388: 386613 + 999 = 387612
Step 389: 387612 + 999 = 388611
Step 390: 388611 + 999 = 389610
Step 391: 389610 + 999 = 390609
Step 392: 390609 + 999 = 391608
Step 393: 391608 + 999 = 392607
Step 394: 392607 + 999 = 393606
Step 395: 393606 + 999 = 394605
Step 396: 394605 + 999 = 395604
Step 397: 395604 + 999 = 396603
Step 398: 396603 + 999 = 397602
Step 399: 397602 + 999 = 398601
Step 400: 398601 + 999 = 399600
Step 401: 399600 + 999 = 400599
Step 402: 400599 + 999 = 401598
Step 403: 401598 + 999 = 402597
Step 404: 402597 + 999 = 403596
Step 405: 403596 + 999 = 404595
Step 406: 404595 + 999 = 405594
Step 407: 405594 + 999 = 406593
Step 408: 406593 + 999 = 407592
Step 409: 407592 + 999 = 408591
Step 410: 408591 + 999 = 409590
Step 411: 409590 + 999 = 410589
Step 412: 410589 + 999 = 411588
Step 413: 411588 + 999 = 412587
Step 414: 412587 + 999 = 413586
Step 415: 413586 + 999 = 414585
Step 416: 414585 + 999 = 415584
Step 417: 415584 + 999 = 416583
Step 418: 416583 + 999 = 417582
Step 419: 417582 + 999 = 418581
Step 420: 418581 + 999 = 419580
Step 421: 419580 + 999 = 420579
Step 422: 420579 + 999 = 421578
Step 423: 421578 + 999 = 422577
Step 424: 422577 + 999 = 423576
Step 425: 423576 + 999 = 424575
Step 426: 424575 + 999 = 425574
Step 427: 425574 + 999 = 426573
Step 428: 426573 + 999 = 427572
Step 429: 427572 + 999 = 428571
Step 430: 428571 + 999 = 429570
Step 431: 429570 + 999 = 430569
Step 432: 430569 + 999 = 431568

So, 999*432 = 431568