Sure thing! We've got 655 and we're gonna multiply it by 45. That's the same as adding 655 to itself 45 times.
Step 1: 0 + 655 = 655
Step 2: 655 + 655 = 1310
Step 3: 1310 + 655 = 1965
Step 4: 1965 + 655 = 2620
Step 5: 2620 + 655 = 3275
Step 6: 3275 + 655 = 3930
Step 7: 3930 + 655 = 4585
Step 8: 4585 + 655 = 5240
Step 9: 5240 + 655 = 5895
Step 10: 5895 + 655 = 6550
Step 11: 6550 + 655 = 7205
Step 12: 7205 + 655 = 7860
Step 13: 7860 + 655 = 8515
Step 14: 8515 + 655 = 9170
Step 15: 9170 + 655 = 9825
Step 16: 9825 + 655 = 10480
Step 17: 10480 + 655 = 11135
Step 18: 11135 + 655 = 11790
Step 19: 11790 + 655 = 12445
Step 20: 12445 + 655 = 13100
Step 21: 13100 + 655 = 13755
Step 22: 13755 + 655 = 14410
Step 23: 14410 + 655 = 15065
Step 24: 15065 + 655 = 15720
Step 25: 15720 + 655 = 16375
Step 26: 16375 + 655 = 17030
Step 27: 17030 + 655 = 17685
Step 28: 17685 + 655 = 18340
Step 29: 18340 + 655 = 18995
Step 30: 18995 + 655 = 19650
Step 31: 19650 + 655 = 20305
Step 32: 20305 + 655 = 20960
Step 33: 20960 + 655 = 21615
Step 34: 21615 + 655 = 22270
Step 35: 22270 + 655 = 22925
Step 36: 22925 + 655 = 23580
Step 37: 23580 + 655 = 24235
Step 38: 24235 + 655 = 24890
Step 39: 24890 + 655 = 25545
Step 40: 25545 + 655 = 26200
Step 41: 26200 + 655 = 26855
Step 42: 26855 + 655 = 27510
Step 43: 27510 + 655 = 28165
Step 44: 28165 + 655 = 28820
Step 45: 28820 + 655 = 29475

So, 655*45 = 29475