Alright, let's solve this math problem step by step. First, we have the number 513. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 70. So, we're going to take the number 513 and add it to itself 70 times.
Step 1: 0 + 513 = 513
Step 2: 513 + 513 = 1026
Step 3: 1026 + 513 = 1539
Step 4: 1539 + 513 = 2052
Step 5: 2052 + 513 = 2565
Step 6: 2565 + 513 = 3078
Step 7: 3078 + 513 = 3591
Step 8: 3591 + 513 = 4104
Step 9: 4104 + 513 = 4617
Step 10: 4617 + 513 = 5130
Step 11: 5130 + 513 = 5643
Step 12: 5643 + 513 = 6156
Step 13: 6156 + 513 = 6669
Step 14: 6669 + 513 = 7182
Step 15: 7182 + 513 = 7695
Step 16: 7695 + 513 = 8208
Step 17: 8208 + 513 = 8721
Step 18: 8721 + 513 = 9234
Step 19: 9234 + 513 = 9747
Step 20: 9747 + 513 = 10260
Step 21: 10260 + 513 = 10773
Step 22: 10773 + 513 = 11286
Step 23: 11286 + 513 = 11799
Step 24: 11799 + 513 = 12312
Step 25: 12312 + 513 = 12825
Step 26: 12825 + 513 = 13338
Step 27: 13338 + 513 = 13851
Step 28: 13851 + 513 = 14364
Step 29: 14364 + 513 = 14877
Step 30: 14877 + 513 = 15390
Step 31: 15390 + 513 = 15903
Step 32: 15903 + 513 = 16416
Step 33: 16416 + 513 = 16929
Step 34: 16929 + 513 = 17442
Step 35: 17442 + 513 = 17955
Step 36: 17955 + 513 = 18468
Step 37: 18468 + 513 = 18981
Step 38: 18981 + 513 = 19494
Step 39: 19494 + 513 = 20007
Step 40: 20007 + 513 = 20520
Step 41: 20520 + 513 = 21033
Step 42: 21033 + 513 = 21546
Step 43: 21546 + 513 = 22059
Step 44: 22059 + 513 = 22572
Step 45: 22572 + 513 = 23085
Step 46: 23085 + 513 = 23598
Step 47: 23598 + 513 = 24111
Step 48: 24111 + 513 = 24624
Step 49: 24624 + 513 = 25137
Step 50: 25137 + 513 = 25650
Step 51: 25650 + 513 = 26163
Step 52: 26163 + 513 = 26676
Step 53: 26676 + 513 = 27189
Step 54: 27189 + 513 = 27702
Step 55: 27702 + 513 = 28215
Step 56: 28215 + 513 = 28728
Step 57: 28728 + 513 = 29241
Step 58: 29241 + 513 = 29754
Step 59: 29754 + 513 = 30267
Step 60: 30267 + 513 = 30780
Step 61: 30780 + 513 = 31293
Step 62: 31293 + 513 = 31806
Step 63: 31806 + 513 = 32319
Step 64: 32319 + 513 = 32832
Step 65: 32832 + 513 = 33345
Step 66: 33345 + 513 = 33858
Step 67: 33858 + 513 = 34371
Step 68: 34371 + 513 = 34884
Step 69: 34884 + 513 = 35397
Step 70: 35397 + 513 = 35910

So, 513*70 = 35910