Alright, let's solve this math problem step by step. First, we have the number 256. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 77. So, we're going to take the number 256 and add it to itself 77 times.
Step 1: 0 + 256 = 256
Step 2: 256 + 256 = 512
Step 3: 512 + 256 = 768
Step 4: 768 + 256 = 1024
Step 5: 1024 + 256 = 1280
Step 6: 1280 + 256 = 1536
Step 7: 1536 + 256 = 1792
Step 8: 1792 + 256 = 2048
Step 9: 2048 + 256 = 2304
Step 10: 2304 + 256 = 2560
Step 11: 2560 + 256 = 2816
Step 12: 2816 + 256 = 3072
Step 13: 3072 + 256 = 3328
Step 14: 3328 + 256 = 3584
Step 15: 3584 + 256 = 3840
Step 16: 3840 + 256 = 4096
Step 17: 4096 + 256 = 4352
Step 18: 4352 + 256 = 4608
Step 19: 4608 + 256 = 4864
Step 20: 4864 + 256 = 5120
Step 21: 5120 + 256 = 5376
Step 22: 5376 + 256 = 5632
Step 23: 5632 + 256 = 5888
Step 24: 5888 + 256 = 6144
Step 25: 6144 + 256 = 6400
Step 26: 6400 + 256 = 6656
Step 27: 6656 + 256 = 6912
Step 28: 6912 + 256 = 7168
Step 29: 7168 + 256 = 7424
Step 30: 7424 + 256 = 7680
Step 31: 7680 + 256 = 7936
Step 32: 7936 + 256 = 8192
Step 33: 8192 + 256 = 8448
Step 34: 8448 + 256 = 8704
Step 35: 8704 + 256 = 8960
Step 36: 8960 + 256 = 9216
Step 37: 9216 + 256 = 9472
Step 38: 9472 + 256 = 9728
Step 39: 9728 + 256 = 9984
Step 40: 9984 + 256 = 10240
Step 41: 10240 + 256 = 10496
Step 42: 10496 + 256 = 10752
Step 43: 10752 + 256 = 11008
Step 44: 11008 + 256 = 11264
Step 45: 11264 + 256 = 11520
Step 46: 11520 + 256 = 11776
Step 47: 11776 + 256 = 12032
Step 48: 12032 + 256 = 12288
Step 49: 12288 + 256 = 12544
Step 50: 12544 + 256 = 12800
Step 51: 12800 + 256 = 13056
Step 52: 13056 + 256 = 13312
Step 53: 13312 + 256 = 13568
Step 54: 13568 + 256 = 13824
Step 55: 13824 + 256 = 14080
Step 56: 14080 + 256 = 14336
Step 57: 14336 + 256 = 14592
Step 58: 14592 + 256 = 14848
Step 59: 14848 + 256 = 15104
Step 60: 15104 + 256 = 15360
Step 61: 15360 + 256 = 15616
Step 62: 15616 + 256 = 15872
Step 63: 15872 + 256 = 16128
Step 64: 16128 + 256 = 16384
Step 65: 16384 + 256 = 16640
Step 66: 16640 + 256 = 16896
Step 67: 16896 + 256 = 17152
Step 68: 17152 + 256 = 17408
Step 69: 17408 + 256 = 17664
Step 70: 17664 + 256 = 17920
Step 71: 17920 + 256 = 18176
Step 72: 18176 + 256 = 18432
Step 73: 18432 + 256 = 18688
Step 74: 18688 + 256 = 18944
Step 75: 18944 + 256 = 19200
Step 76: 19200 + 256 = 19456
Step 77: 19456 + 256 = 19712

So, 256*77 = 19712