OK, let's crack this. We're given 608 and our task is to multiply it by 80. Essentially, we'll be adding 608 to itself 80 times.
Step 1: 0 + 608 = 608
Step 2: 608 + 608 = 1216
Step 3: 1216 + 608 = 1824
Step 4: 1824 + 608 = 2432
Step 5: 2432 + 608 = 3040
Step 6: 3040 + 608 = 3648
Step 7: 3648 + 608 = 4256
Step 8: 4256 + 608 = 4864
Step 9: 4864 + 608 = 5472
Step 10: 5472 + 608 = 6080
Step 11: 6080 + 608 = 6688
Step 12: 6688 + 608 = 7296
Step 13: 7296 + 608 = 7904
Step 14: 7904 + 608 = 8512
Step 15: 8512 + 608 = 9120
Step 16: 9120 + 608 = 9728
Step 17: 9728 + 608 = 10336
Step 18: 10336 + 608 = 10944
Step 19: 10944 + 608 = 11552
Step 20: 11552 + 608 = 12160
Step 21: 12160 + 608 = 12768
Step 22: 12768 + 608 = 13376
Step 23: 13376 + 608 = 13984
Step 24: 13984 + 608 = 14592
Step 25: 14592 + 608 = 15200
Step 26: 15200 + 608 = 15808
Step 27: 15808 + 608 = 16416
Step 28: 16416 + 608 = 17024
Step 29: 17024 + 608 = 17632
Step 30: 17632 + 608 = 18240
Step 31: 18240 + 608 = 18848
Step 32: 18848 + 608 = 19456
Step 33: 19456 + 608 = 20064
Step 34: 20064 + 608 = 20672
Step 35: 20672 + 608 = 21280
Step 36: 21280 + 608 = 21888
Step 37: 21888 + 608 = 22496
Step 38: 22496 + 608 = 23104
Step 39: 23104 + 608 = 23712
Step 40: 23712 + 608 = 24320
Step 41: 24320 + 608 = 24928
Step 42: 24928 + 608 = 25536
Step 43: 25536 + 608 = 26144
Step 44: 26144 + 608 = 26752
Step 45: 26752 + 608 = 27360
Step 46: 27360 + 608 = 27968
Step 47: 27968 + 608 = 28576
Step 48: 28576 + 608 = 29184
Step 49: 29184 + 608 = 29792
Step 50: 29792 + 608 = 30400
Step 51: 30400 + 608 = 31008
Step 52: 31008 + 608 = 31616
Step 53: 31616 + 608 = 32224
Step 54: 32224 + 608 = 32832
Step 55: 32832 + 608 = 33440
Step 56: 33440 + 608 = 34048
Step 57: 34048 + 608 = 34656
Step 58: 34656 + 608 = 35264
Step 59: 35264 + 608 = 35872
Step 60: 35872 + 608 = 36480
Step 61: 36480 + 608 = 37088
Step 62: 37088 + 608 = 37696
Step 63: 37696 + 608 = 38304
Step 64: 38304 + 608 = 38912
Step 65: 38912 + 608 = 39520
Step 66: 39520 + 608 = 40128
Step 67: 40128 + 608 = 40736
Step 68: 40736 + 608 = 41344
Step 69: 41344 + 608 = 41952
Step 70: 41952 + 608 = 42560
Step 71: 42560 + 608 = 43168
Step 72: 43168 + 608 = 43776
Step 73: 43776 + 608 = 44384
Step 74: 44384 + 608 = 44992
Step 75: 44992 + 608 = 45600
Step 76: 45600 + 608 = 46208
Step 77: 46208 + 608 = 46816
Step 78: 46816 + 608 = 47424
Step 79: 47424 + 608 = 48032
Step 80: 48032 + 608 = 48640

So, 608*80 = 48640