Let's get this math done. We have 656 and we're going to multiply it by 79. This is the same as taking 656 and adding it to itself 79 times.
Step 1: 0 + 656 = 656
Step 2: 656 + 656 = 1312
Step 3: 1312 + 656 = 1968
Step 4: 1968 + 656 = 2624
Step 5: 2624 + 656 = 3280
Step 6: 3280 + 656 = 3936
Step 7: 3936 + 656 = 4592
Step 8: 4592 + 656 = 5248
Step 9: 5248 + 656 = 5904
Step 10: 5904 + 656 = 6560
Step 11: 6560 + 656 = 7216
Step 12: 7216 + 656 = 7872
Step 13: 7872 + 656 = 8528
Step 14: 8528 + 656 = 9184
Step 15: 9184 + 656 = 9840
Step 16: 9840 + 656 = 10496
Step 17: 10496 + 656 = 11152
Step 18: 11152 + 656 = 11808
Step 19: 11808 + 656 = 12464
Step 20: 12464 + 656 = 13120
Step 21: 13120 + 656 = 13776
Step 22: 13776 + 656 = 14432
Step 23: 14432 + 656 = 15088
Step 24: 15088 + 656 = 15744
Step 25: 15744 + 656 = 16400
Step 26: 16400 + 656 = 17056
Step 27: 17056 + 656 = 17712
Step 28: 17712 + 656 = 18368
Step 29: 18368 + 656 = 19024
Step 30: 19024 + 656 = 19680
Step 31: 19680 + 656 = 20336
Step 32: 20336 + 656 = 20992
Step 33: 20992 + 656 = 21648
Step 34: 21648 + 656 = 22304
Step 35: 22304 + 656 = 22960
Step 36: 22960 + 656 = 23616
Step 37: 23616 + 656 = 24272
Step 38: 24272 + 656 = 24928
Step 39: 24928 + 656 = 25584
Step 40: 25584 + 656 = 26240
Step 41: 26240 + 656 = 26896
Step 42: 26896 + 656 = 27552
Step 43: 27552 + 656 = 28208
Step 44: 28208 + 656 = 28864
Step 45: 28864 + 656 = 29520
Step 46: 29520 + 656 = 30176
Step 47: 30176 + 656 = 30832
Step 48: 30832 + 656 = 31488
Step 49: 31488 + 656 = 32144
Step 50: 32144 + 656 = 32800
Step 51: 32800 + 656 = 33456
Step 52: 33456 + 656 = 34112
Step 53: 34112 + 656 = 34768
Step 54: 34768 + 656 = 35424
Step 55: 35424 + 656 = 36080
Step 56: 36080 + 656 = 36736
Step 57: 36736 + 656 = 37392
Step 58: 37392 + 656 = 38048
Step 59: 38048 + 656 = 38704
Step 60: 38704 + 656 = 39360
Step 61: 39360 + 656 = 40016
Step 62: 40016 + 656 = 40672
Step 63: 40672 + 656 = 41328
Step 64: 41328 + 656 = 41984
Step 65: 41984 + 656 = 42640
Step 66: 42640 + 656 = 43296
Step 67: 43296 + 656 = 43952
Step 68: 43952 + 656 = 44608
Step 69: 44608 + 656 = 45264
Step 70: 45264 + 656 = 45920
Step 71: 45920 + 656 = 46576
Step 72: 46576 + 656 = 47232
Step 73: 47232 + 656 = 47888
Step 74: 47888 + 656 = 48544
Step 75: 48544 + 656 = 49200
Step 76: 49200 + 656 = 49856
Step 77: 49856 + 656 = 50512
Step 78: 50512 + 656 = 51168
Step 79: 51168 + 656 = 51824

So, 656*79 = 51824