Alright, let's solve this math problem step by step. First, we have the number 776. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 90. So, we're going to take the number 776 and add it to itself 90 times.
Step 1: 0 + 776 = 776
Step 2: 776 + 776 = 1552
Step 3: 1552 + 776 = 2328
Step 4: 2328 + 776 = 3104
Step 5: 3104 + 776 = 3880
Step 6: 3880 + 776 = 4656
Step 7: 4656 + 776 = 5432
Step 8: 5432 + 776 = 6208
Step 9: 6208 + 776 = 6984
Step 10: 6984 + 776 = 7760
Step 11: 7760 + 776 = 8536
Step 12: 8536 + 776 = 9312
Step 13: 9312 + 776 = 10088
Step 14: 10088 + 776 = 10864
Step 15: 10864 + 776 = 11640
Step 16: 11640 + 776 = 12416
Step 17: 12416 + 776 = 13192
Step 18: 13192 + 776 = 13968
Step 19: 13968 + 776 = 14744
Step 20: 14744 + 776 = 15520
Step 21: 15520 + 776 = 16296
Step 22: 16296 + 776 = 17072
Step 23: 17072 + 776 = 17848
Step 24: 17848 + 776 = 18624
Step 25: 18624 + 776 = 19400
Step 26: 19400 + 776 = 20176
Step 27: 20176 + 776 = 20952
Step 28: 20952 + 776 = 21728
Step 29: 21728 + 776 = 22504
Step 30: 22504 + 776 = 23280
Step 31: 23280 + 776 = 24056
Step 32: 24056 + 776 = 24832
Step 33: 24832 + 776 = 25608
Step 34: 25608 + 776 = 26384
Step 35: 26384 + 776 = 27160
Step 36: 27160 + 776 = 27936
Step 37: 27936 + 776 = 28712
Step 38: 28712 + 776 = 29488
Step 39: 29488 + 776 = 30264
Step 40: 30264 + 776 = 31040
Step 41: 31040 + 776 = 31816
Step 42: 31816 + 776 = 32592
Step 43: 32592 + 776 = 33368
Step 44: 33368 + 776 = 34144
Step 45: 34144 + 776 = 34920
Step 46: 34920 + 776 = 35696
Step 47: 35696 + 776 = 36472
Step 48: 36472 + 776 = 37248
Step 49: 37248 + 776 = 38024
Step 50: 38024 + 776 = 38800
Step 51: 38800 + 776 = 39576
Step 52: 39576 + 776 = 40352
Step 53: 40352 + 776 = 41128
Step 54: 41128 + 776 = 41904
Step 55: 41904 + 776 = 42680
Step 56: 42680 + 776 = 43456
Step 57: 43456 + 776 = 44232
Step 58: 44232 + 776 = 45008
Step 59: 45008 + 776 = 45784
Step 60: 45784 + 776 = 46560
Step 61: 46560 + 776 = 47336
Step 62: 47336 + 776 = 48112
Step 63: 48112 + 776 = 48888
Step 64: 48888 + 776 = 49664
Step 65: 49664 + 776 = 50440
Step 66: 50440 + 776 = 51216
Step 67: 51216 + 776 = 51992
Step 68: 51992 + 776 = 52768
Step 69: 52768 + 776 = 53544
Step 70: 53544 + 776 = 54320
Step 71: 54320 + 776 = 55096
Step 72: 55096 + 776 = 55872
Step 73: 55872 + 776 = 56648
Step 74: 56648 + 776 = 57424
Step 75: 57424 + 776 = 58200
Step 76: 58200 + 776 = 58976
Step 77: 58976 + 776 = 59752
Step 78: 59752 + 776 = 60528
Step 79: 60528 + 776 = 61304
Step 80: 61304 + 776 = 62080
Step 81: 62080 + 776 = 62856
Step 82: 62856 + 776 = 63632
Step 83: 63632 + 776 = 64408
Step 84: 64408 + 776 = 65184
Step 85: 65184 + 776 = 65960
Step 86: 65960 + 776 = 66736
Step 87: 66736 + 776 = 67512
Step 88: 67512 + 776 = 68288
Step 89: 68288 + 776 = 69064
Step 90: 69064 + 776 = 69840

So, 776*90 = 69840