Alright, let's solve this math problem step by step. First, we have the number 91. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 53. So, we're going to take the number 91 and add it to itself 53 times.
Step 1: 0 + 91 = 91
Step 2: 91 + 91 = 182
Step 3: 182 + 91 = 273
Step 4: 273 + 91 = 364
Step 5: 364 + 91 = 455
Step 6: 455 + 91 = 546
Step 7: 546 + 91 = 637
Step 8: 637 + 91 = 728
Step 9: 728 + 91 = 819
Step 10: 819 + 91 = 910
Step 11: 910 + 91 = 1001
Step 12: 1001 + 91 = 1092
Step 13: 1092 + 91 = 1183
Step 14: 1183 + 91 = 1274
Step 15: 1274 + 91 = 1365
Step 16: 1365 + 91 = 1456
Step 17: 1456 + 91 = 1547
Step 18: 1547 + 91 = 1638
Step 19: 1638 + 91 = 1729
Step 20: 1729 + 91 = 1820
Step 21: 1820 + 91 = 1911
Step 22: 1911 + 91 = 2002
Step 23: 2002 + 91 = 2093
Step 24: 2093 + 91 = 2184
Step 25: 2184 + 91 = 2275
Step 26: 2275 + 91 = 2366
Step 27: 2366 + 91 = 2457
Step 28: 2457 + 91 = 2548
Step 29: 2548 + 91 = 2639
Step 30: 2639 + 91 = 2730
Step 31: 2730 + 91 = 2821
Step 32: 2821 + 91 = 2912
Step 33: 2912 + 91 = 3003
Step 34: 3003 + 91 = 3094
Step 35: 3094 + 91 = 3185
Step 36: 3185 + 91 = 3276
Step 37: 3276 + 91 = 3367
Step 38: 3367 + 91 = 3458
Step 39: 3458 + 91 = 3549
Step 40: 3549 + 91 = 3640
Step 41: 3640 + 91 = 3731
Step 42: 3731 + 91 = 3822
Step 43: 3822 + 91 = 3913
Step 44: 3913 + 91 = 4004
Step 45: 4004 + 91 = 4095
Step 46: 4095 + 91 = 4186
Step 47: 4186 + 91 = 4277
Step 48: 4277 + 91 = 4368
Step 49: 4368 + 91 = 4459
Step 50: 4459 + 91 = 4550
Step 51: 4550 + 91 = 4641
Step 52: 4641 + 91 = 4732
Step 53: 4732 + 91 = 4823

So, 91*53 = 4823